How to find regression line on ti 84

# How to find regression line on ti 84

How to find regression line on ti 84. You attempted a linear regression with a vertical line. DOMAIN. You specified an argument to a function or instruction outside the valid range. The TI‑84 Plus CE allows for undefined values on a graph. You attempted a logarithmic or power regression with a L X or an exponential or power regression with a L Y.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The TI-84 Plus calculator has a variety of features that help you easily format the graph of a function. Set the graph format settings by following these steps: Press [2nd] [ZOOM] to access the Format menu. See the first screen. Alternatively, access the Format menu from the Mode menu; press [MODE], and then highlight YES on the line that says ...Step 4. Enter the first value from the first list into the "L1" column by keying the value. Press the down-arrow key to advance to the next spot underneath. Move to the top of the second column using the up and right arrow keys. Enter the values of the second list the same way. Advertisement.Y = a + bX. Y – Essay Grade a – Intercept b – Coefficient X – Time spent on Essay. There’s a couple of key takeaways from the above equation. First of all, the intercept (a) is the essay grade we expect to get when the time spent on essays is zero. You can imagine you can jot down a few key bullet points while spending only a minute ...Summary: This page presents a downloadable TI-83/84 program with easier versions of some calculator procedures plus new capabilities like computing skewness and kurtosis and making statistical inferences about standard deviation, correlation, and regression. See Using the Program below for a full list of features.. Your first course in statistics probably won't use these features, but they ...1. Turn your Stat Plot ON and select the Histogram Icon. Select [2nd [ [Stat Plot]. Use the arrow keys to turn the Stat Plot "On". Press 'ENTER'. Then use the arrow keys to select the Histogram Icon. Press 'ENTER' to select. Note: Be sure that there are no graphs in the [Y=] button that will graph over your histogram! 2.How to enter data for scatter plots and perform linear regressions on a TI-84 Plus calculator.Jan 17, 2023 · Step 2: Perform linear regression. Next, we will perform linear regression. Press Stat and then scroll over to CALC. Then scroll down to 8: Linreg(a+bx) and press Enter. For Xlist and Ylist, make sure L1 and L2 are selected since these are the columns we used to input our data. Leave FreqList blank. Scroll down to Calculate and press Enter. The ... When given an equation, convert the equation to Y = mx + b format and find the slope and y intercept using the TI84 Plus CE.8) Press [Right Arrow] until you select 'b and press [tab]. 9) Press [enter]. Please Note: The regression equation is stored to f1 (x) by default, to graph the regression equation press [Ctrl] [I] [2 Add Graphs] [Up Arrow] [Enter]. Please see the TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire and TI-Nspire CAS guidebooks for additional information.1) Press [data] 2) Input 1 under L1 and press [enter]. Repeat steps until all data points are entered for L1. 3) Press the [Right Arrow] to move to L2. 4) Input 2 and press [enter]. Repeat steps until all data points are entered for L2. 5) Press the [2nd] [stat-reg/distr] and select 4:LinReg ax+b. 6) Press [enter]A TI-84 would be one. You should also check out Desmos.com it is free and comes with free training you may be able to the regression there. You can learn how to enter your data into a table ton use the correct format that tells the graphing calculator to do a regression.In this video I will show you How to Find the Least Squares Regression Line in the TI 84. The regression line will be displayed over the statistical plot. You can also perform various non-linear regression operations, such as quadratic regression, exponential regression or sinusoidal regression. The linear regression equation is stored in the Y= editor. If you press Y=, you will see the equation determined by the calculator.If you don't have the program, see Box-Whisker Plots on TI-83/84. Details: Box-Whisker Diagrams in Chapter 3. Caution: The boxplot is not meaningful with a grouped distribution. Correlation and Regression Scatterplot. x's in L1, y's in L2. Turn off all plots on the [Y=] screen, then [2nd Y= makes STAT PLOT] [1] [ENTER] [ ] [ENTER].Learn how to find the lines of best fit, or regression line, using the TI-84 graphing calculator. I will also explain how to use the TI-84 to help make pred...17 de ago. de 2021 ... USING THE TI-83, 83+, 84, 84+ CALCULATOR. Using the Linear Regression T Test: LinRegTTest. In the STAT list editor, enter the X data in list ...This video explains how to perform linear regression on the TI-84 and determine r and r-squared.http://mathispower4u.comThe 'usual' definition of the standard deviation is with respect to the mean of the data. In a regression, the mean is replaced by the value of the regression at the associated value of the independent variable. The use of RMSE for a regression instead of standard deviation avoids confusion as to the reference used for the differences.When regression models are executed, the TI-84 Plus C Silver Edition graphing calculator computes and stores diagnostics values for r (correlation coefficient) and r2 (coefficient of determination) and R2 (coefficient of multiple determination). r2 expresses the proportion of the total variation in the values of the variable Y that can be ...Calculate the regression line, ENTER. 6. Store the equation so it can be graphed, press Y= and scroll to a location which is blank. Press VARS. 5 (for ...TI-84: Least Squares Regression Line (LSRL) 1. Enter your data in L1 and L2. Note: Be sure that your Stat Plot is on and indicates the Lists you are using. 2. Go to [STAT] "CALC" "8: LinReg(a+bx). This is the LSRL. *3. For TI-83 and older TI-84: Enter L1, L2, Y1 at the end of the LSRL.If the data looks linear, Press eΩ,æ,v>ee select 4:LinReg(ax +b) as shown. to get this screen. This will calculate the best fitting line for your data whose x-values are in L1 and y-values are in L2. Your regression equation will appear in Y1. Press e. ***(see note below if no r and r2) Press %. oriellys columbia mslafayette parish jail booking Jun 12, 2013 · Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste... This Guide is designed to offer step-by-step instruction for using your TI-83, TI-83 Plus, or TI-84. Plus graphing calculator with the fourth edition of Calculus Concepts: An Informal Approach to. the Mathematics of Change. You should utilize the subject index on page 114 for this Guide to.17 de ago. de 2021 ... USING THE TI-83, 83+, 84, 84+ CALCULATOR. Using the Linear Regression T Test: LinRegTTest. In the STAT list editor, enter the X data in list ...To enter the data: 1) Press [home], select List & Spreadsheet, and press [enter]. 2) Enter the data in Column A and Column B, pressing [enter] after each entry. 3) Press the up arrow until you highlight cell A. 4) Input [x] to name Column A and press [enter]. 5) Press the arrow until you highlight cell B. 6) Input [y] to name Column B and press ...How can I find the x-intercepts of a function on the TI-83 Plus and TI-84 Plus family of graphing calculators? To find the x-intercepts of a function, the zero command must be used. Follow the example below for help with using the zero command. Example: 2X - 7 1) Press [Y=] to access the Y= Editor. ...How do I calculate a linear regression on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The example below will demonstrate how to calculate a linear regression for a given set of data on the TI-89 family, TI-92 family, and Voyage 200. Data for this example. x values: 5, 9, 7, 11 y values: 12, 15, 14, 17 Solution:How to find the least-square regression line (a.k.a. the line of best fit or linear regression line) and how to get the calculator to store the equation for ...TI-84 Linear Regression T-Intervals The TI-84 can calculate a confidence interval on the slope parameter 𝑏1 for the linear regression equation. Begin by entering the data in the Lists in the calculator. You will find these by pressing and then selecting Edit… Then enter the data into the list.Jan 17, 2023 · Step 2: Find the Line of Best Fit. Next, we will find the line of best fit. Press Stat, then scroll over to CALC. Then scroll down to LinReg (ax+b) and press ENTER. Then press 2nd and 1 and comma , then press 2nd and 2 and comma , then press VARS and scroll over to to Y-VARS and press ENTER. Your screen should look like this: Press ENTER once ... can you take melatonin and nyquillanham schanhofer funeral home Learn how to use the Quadratic Regression feature on the TI-84 Plus CE Graphing Calculator!Use this information to help you in your Algebra 2 class!💡 Learn ...Tested on TI-83, TI-83- Plus and TI-84 Plus Silver Edition 1) Press the STAT 2) Press Enter: 3) Enter your x and y values into the ... see the exponential regression. If you used the numbers on the page up, above you should see the following screen 7) Therefore, the exponential equation that best fits this data is y = 1.923930724 ...The screen will show "DiagnosticOn" and "Done". Compute a regression, for example LinReg (a+bx), and the values for r and r 2 will now be displayed. Please see the TI-83 … 10 day forecast for billings montana To find a residual, the actual y comes from the original data, and the predicted ŷ comes from one of the methods above. Example: Find the residual for x = 102. Solution: From the original data, y = 264. From either of the methods above, ŷ = 267.1. Therefore the residual is y − ŷ = 264−267.1 = −3.1 yards. corrina kopf nudes only fansector county inmate searchutah federal court calendar Sep 5, 2019 · This video explains how to perform linear regression on the TI-84 and determine r and r-squared.http://mathispower4u.com Wait while your calculator plots your scatter line. Press the “Stat” key. Highlight the “Calc” option. Scroll down to option 4. Press the “Enter” key. Press the “Enter” key again. Wait for the calculation. The “a” value displayed on your calculator represents the slope of the scatter plot line. The “b” value displayed on ... Select a regression model from the Stat CALCULATE menu to activate the Regression Wizard. To access the Stat CALCULATE menu, press Repeatedly press … accident 302 windham today • Press [ENTER] [ENTER], Y1 will be pasted next to RegEQ: to show that the regression equation will be stored under Y1. • Press [ENTER] [ENTER] to display the results. • Press [ ] to view additional results. • Press [GRAPH] to see the regression. Please see the TI-84 Plus Family guidebooks for additional information. ati comprehensive predictor quizlet 2023 • Press [ENTER] to perform the regression calculation. The calculator will display the form of the equation (y=ax 3 +bx 2 +cx+d) and then list the values for the coefficients. Please see the TI-84 Plus C Silver Edition guidebook for additional information. This video show how to use the TI-84 graphing calculator to calculate the correlation coefficient, coefficient of determination, and linear regression line for a bivariate data set. …Step 3: Finding and Graphing a Regression Equation. “CALC” then choose the equation that you think will fit the best. “YVARS” then Choose Option 1 ...Elementary Statistics: Finding the Sum of the Squared Residuals on TI-83-84. See http://www.mathheals.com for more videosRephrased solution: *** To find the linear regression line using a graphing calculator, it is best to use a TI-83 or TI-84 calculator. Although the process ... north american motoring vin decoderdel norte county jail roster Calculate the confidence interval for the slope of a regression line using a TI-84 graphing calculator:TI-84 at http://amzn.to/1I0QO3P (affiliate link)More f...Why are the r-values not automatically displayed when I calculate a statistical regression on the TI-83 Plus and TI-84 Plus family of graphing calculators? When using the TI-83 Plus and TI-84 Plus family of graphing calculators, the r and r 2 values are computed for LinReg(a+bx), LinReg(ax+b), ExpReg, PwrReg and LnReg.Despite "linear" being in the name, one of the most common mistakes in linear regressions is fitting to non-linear data. The illustration above shows why this is a bad idea. The straight line ... my cardinal health hr Linear regression calculator. Linear regression is used to model the relationship between two variables and estimate the value of a response by using a line-of-best-fit. This calculator is built for simple linear regression, where only one predictor variable (X) and one response (Y) are used. Using our calculator is as simple as copying and ...8) Press [Right Arrow] until you select 'b and press [tab]. 9) Press [enter]. Please Note: The regression equation is stored to f1 (x) by default, to graph the regression equation press [Ctrl] [I] [2 Add Graphs] [Up Arrow] [Enter]. Please see the TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire and TI-Nspire CAS guidebooks for additional information.To see the regression graph. Access the equation menu. The regression equation will be put into Y1. Access the vars menu and navigate to <5: Statistics>., . Navigate to <EQ>. <1: RegEQ> contains the regression equation which will be entered in Y1. Press the graphing mode button. The regression line will be superimposed over the scatter plot.Quadratic Regression | TI-84 Graphing Calculator Reference Sheet and Practice. by. Algebra and Beyond. 4.9. (27) \$2.25. PDF. Google Apps™. This graphing calculator reference sheet on quadratic regression, guides students step-by-step on how to create a scatter plot, graph it, find the quadratic equation, and graph the line of best fit ... weather boise idaho 10 day forecastatlantic city press death notices Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste...Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste...How do I calculate y-hat values using the on the TI-84 Plus family of graphing calculators? After finding the regression equation for a data set, it is helpful to know what y-value the …The density of your bones is directly tied to how strong they are. It’s important to have strong bones, because this helps lower your risk for injuries. If you have low bone density, you can improve it with a few lifestyle changes.Step 2: Perform the one-way ANOVA. Next, we will perform the one-way ANOVA. Press Stat and then scroll over to TESTS. Then scroll down to ANOVA and press Enter. Enter the lists where the data is stored separated by commas, then add a closing parenthesis ) and then press Enter. Note: To make L1 appear, press 2nd and then press 1.TI-83 Sinusoidal Regression. If you have a TI-83 calculator, you can perform sinusoidal regression with the SinReg function in the STATS menu. The basic steps are below (or view the video on YouTube): Press STAT. Make sure EDIT is highlighted in the top row, then press ENTER. Type your x-values into L1, then type your y-values into L2.Interpreting technology: The following display from the TI-84 Plus calculator presents the least-squares regression line for predicting the price of a certain stock y from the prime interest rate in percent x. Predict the price when the prime interest rate is 6%. Round the answer to at least four decimal places.In this video I will show you how to use your TI-84 to produced a scatter plot and then use the linear regression function to find the line of best fit which...When done, press STAT, CALC, 4 to select LinReg (ax+b). Press ENTER to confirm. The calculator will display your regression equation. This display means that our regression equation is Y = 10.5X+.1. Using this equation, we can say that we would expect X=4 workers to produce around Y=44 widgets, even though we have no actual data collected for X=4. nl east standings wild card Use the down arrow until a (linear regression slope), b (linear regression y-intercept), r^2 (correlation coefficient squared) and r (correlation coefficient) are underlined. The results displayed will be the linear regression. a= 0.7989690722 b= 0.9639175258 r 2 = 0.984160579 r= 0.9920486777. Please see the TI-36X Pro guidebook for additional ...A linear regression lets you use one variable to predict another variable's value. Regression line formula. The regression line formula used in statistics is the same used in algebra: y = mx + b. where: x = horizontal axis. y = vertical axis. m = the slope of the line (how steep it is) b = the y-intercept (where the line crosses the Y axis)In this video I will show you how to use your TI-84 to produced a scatter plot and then use the linear regression function to find the line of best fit which...Next, make sure that all data is cleared from the individual columns, you may need to scroll over using the Directional pad above the Clear button. Finding Exponential Regression On a TI-84 Plus CE …How to calculate and work with linear regressions with the ti-83 and ti-83 calculator. This video is provided by the Learning Assistance Center of Howard Com... racetrac login To see the regression graph: Access the equation menu. The regression equation will be put into Y1. Access the vars menu and navigate to <5: Statistics>., Navigate to <EQ>. <1: RegEQ> contains the regression equation which will be entered in Y1. Press the graphing mode button. The regression line will be superimposed over the scatter plot.Additionally we have the magical Statistics Cheat Sheet (pdf) for you, it helps to learn how to perform the following Statistics tasks using the Ti-Nspire CX : Linear Regression : Find and Plot the Linear Regression. Graph a scatterplot. Use a Linear Regression to make predictions. Use a table to show x and y coordinates of Regression functions.How to Perform Linear Regression on a TI-84 Calculator Linear regression is a method we can use to understand the relationship between an explanatory variable, x, and a response variable, y. This tutorial explains how to perform linear regression on a TI-84 calculator. Example: Linear Regression on a TI-84 CalculatorScatter plot and Linear Regression Line Finding a linear model with scikit-learn. The second way to find the regression slope and intercept is to use sklearn.linear_model.LinearRegression. This class requires the x values to be one column. We modify year data using reshape(-1,1). The original year data has 1 by 11 shape. fitchburg sentinel obituaries Basic Functions. Using the Fraction Button on the TI-84. Entering Equations into the TI-84. Zoom Fit, Zoom Standard, ZBox Functions on the TI-84. Adjusting the Viewing Window and Finding x-intercepts on the TI-84. Using the Table of Values & Setting "Auto" or "Ask" on the TI-84.Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family. What is the algorithm used to calculate the sine regression on a TI-86, TI-83 family, or TI-84 Plus family? Sine regression on the TI-86, TI-83 family, or TI-84 Plus family, accepts as an input an (x,y) pair list for the independent and dependent …The TI-84 can display an R-value when fitting a regression line (best fit line) to data. The R-value is a numerical way of determining how closely the regre...Y = Xβ + e. Where: Y is a vector containing all the values from the dependent variables. X is a matrix where each column is all of the values for a given independent variable. e is a vector of residuals. Then we say that a predicted point is Yhat = Xβ, and using matrix algebra we get to β = (X'X)^ (-1) (X'Y) Comment.Learn the Steps to do a Exponential Regression Problem on the TI84 Plus CE Graphing Calculator.Buy the TI84 Plus CE on Amazon here: https://amzn.to/2zOKPTD0:...Step 1: Enter the Data First, we will enter the data values. Press STAT, then press EDIT. Then enter the x-values of the dataset in column L1 and the y-values in column L2: Step 2: Fit the Exponential Regression Model Next, we fill fit the exponential regression model. Press Stat, then scroll over to CALC. craigslist navarrepower outage map grand rapids michigan AFTER you have done a linear regression!!! Plotting the Regression Line on the Scatterplot Press the STAT function key, , and chose the CALC option Select LinReg. Press the regression coefficients will display. Press the key. Move your cursor to the point where you would like to put the regression equation., Y1 for example. PressThe correlation coefficient, r, is the bottom item in the output screens for the LinRegTTest on the TI-83, TI-83+, or TI-84+ calculator (see previous section ...166 Chapter 27 - Multiple Regression TI-89 Solution. Enter the original data into three lists. The TI-89 has an augment function that can be found in the … (List) Ops menu within the Stats/List Editor application. You can use this to stack the data for the reporting percents and report dates similarly to that shown above.TI-Nspire Technology Corners . 9. Least-squares regression lines on the calculator. Let's use the Ford F-150 data to show how to find the equation of the least-squares regression line on the TI-Nspire' Here are the data: Miles driven 70,583 . 129,484 : 29,932 : 29,953 : ... ' The least squares regression line along with the equation will appear' If you arrow over …Correlation and Linear Regression using a TI 84 Jackson Fox 1.62K subscribers Subscribe 1.8K 399K views 10 years ago Statistics This video show how to use the TI-84 graphing calculator...Computer spreadsheets, statistical software, and many calculators can quickly calculate the best-fit line and create the graphs. The calculations tend to be tedious if done by hand. Instructions to use the TI-83, TI-83+, and TI-84+ calculators to find the best-fit line and create a scatterplot are shown at the end of this section.This video shows how to use the TI-83 or TI-84 graphing calculator to find the exponential regression curve. It also shows how to use the curve to predict f...Create a Scatter Diagram on the TI 83 TI 84 Calculator, Find the Correlation Coefficient, Find the Coeffient of Determination, Find the Regression EquationWe would like to show you a description here but the site won't allow us.Use a TI-83 Plus, TI-84 Plus, or TI-84 Plus Silver Edition graphing calculator to graph and find the equation, slope and x and y intercept of a line given tw...invNorm (probability, μ, σ) where: probability: the significance level. μ: population mean. σ: population standard deviation. You can access this function on a TI-84 calculator by pressing 2nd and then pressing VARS. This will take you to a DISTR screen where you can then use invNorm (): The following examples show how to use this function ...The description of the nature of the relationship between two or more variables; it is concerned with the problem of describing or estimating the value of the dependent variable on the basis of one or more independent variables is termed as a statistical regression. Step 1: Count the number of values. Step 3: Find ΣX, ΣY, ΣXY, ΣX 2. weather radar chandler az The example below will demonstrate how to calculate a logistic regression using the TI-84 Plus C Silver Edition. 1) Press [STAT] [1] to access the STAT list editor. 2) Enter the data into the L1 and L2 lists, making sure to press [ENTER] after each entry. 3) Press [2nd] [QUIT] to quit and return to the home screen.17 de ago. de 2021 ... USING THE TI-83, 83+, 84, 84+ CALCULATOR. Using the Linear Regression T Test: LinRegTTest. In the STAT list editor, enter the X data in list ...This video explains how to find the equation of a linear function that best fits given data.Site: http://mathispower4u.com hh 66 vinyl cement home depot 5) Press [GRAPH] to graph the data and the quadratic regression equation. 6) If the graphs are not displayed, press [ZOOM][9] to perform a ZoomStat. Please see the TI-84 Plus C Silver Edition guidebook for additional information.This graphing calculator reference sheet shows students how to find the lines of regression for linear, quadratic, and exponential functions and determine the line of best fit using the coefficient of determination on the Ti-84 graphing calculator.Teaching graphing calculator skills to help students with: • Speed• Making connections ...Which of the following is not a characteristic of the least-squares regression line? (a) The slope of the least-squares regression line is always between -1 and 1. (b) The least-squares regression line always goes through the point. (\overline {x}, \overline {y}). (x,y). (c) The least-squares regression line minimizes the sum of squared ... chevy cruze temperature sensor locationstinger detox nearby How do you find the regression line on a TI-84 Plus? To calculate the Linear Regression (ax+b): Press [STAT] to enter the statistics menu. Press the right arrow key to reach the CALC menu and then press 4: LinReg(ax+b). How do you find line of best fit on TI-84? Next, we will find the line of best fit. Press Stat, then scroll over to CALC.Mar 13, 2023 · Step 3: We can now construct the residual plot for the regression model. Press “2nd” and then press on “Y=” (circled below). Press 2nd and then press the Y= Button. Choose the first plot above. Then Press “On” and press “Enter”. Press ON and then press Enter. 4th gen camaro seats TI-83 Sinusoidal Regression. If you have a TI-83 calculator, you can perform sinusoidal regression with the SinReg function in the STATS menu. The basic steps are below (or view the video on YouTube): Press STAT. Make sure EDIT is highlighted in the top row, then press ENTER. Type your x-values into L1, then type your y-values into L2.Updated on Jan 10, 2023. TI-84 Video: Residuals and Residual Plots (YouTube) (Vimeo) 1. Add the residuals to L3. There are two ways to add the residuals to a list. 1.1. Method 1: Go to the main screen. [2nd] "list" [ENTER]. Scroll down and select RESID.Step by step example for calculating a linear regression equation by hand from a set of data points (y = ax + b).Press ENTER to calculate the regression line and store the result in Y3. Plotting the Data Points and the Line. You can plot the regression line in Y3 in the same way that you plot any function. To plot the data points, follow the steps below. This is assuming that the x coordinates are in L1 and the y coordinates are in L2.Compute regression line parameters as well as the correlation coefficient and R-squared on a TI-83 or TI-84 (both shown). These calculators are available on ...Regression Line Equation is calculated using the formula given below. Regression Line Formula = Y = a + b * X. Y = a + b * X. Or Y = 5.14 + 0.40 * X. Explanation. The Regression Line Formula can be calculated by using the following steps: Step 1: Firstly, determine the dependent variable or the variable that is the subject of prediction. It is ...A tutorial for finding the linear correlation coefficient and the equation of the regression line, using the TI-84.r A = 10m = 10b. To summarize, Exponential Regression. To obtain a best-fit exponential curve of the form. y = Ar^x. Find the regression line for the data (x, \log y). The desired coefficients A and r are then. \begin {align*} r &= 10^m\\ A &= 10^b \end {align*} where m and b are the slope and intercept of the regression line.166 Chapter 27 – Multiple Regression TI-89 Solution. Enter the original data into three lists. The TI-89 has an augment function that can be found in the … (List) Ops menu within the Stats/List Editor application. You can use this to stack the data for the reporting percents and report dates similarly to that shown above. 696 closure The STAT indicator displays. 2) Press [DATA]. 3) Enter 3 for X1. 4) Press the [Down Arrow]. 5) Enter 7 for Y1 and press [ENTER] 6) Repeat steps 3 and 4 until all the above data points are entered. Users must press [ENTER] or the down arrow to save the last data point or FRQ value entered. If users add or delete data points, the TI-30X IIS/B or ...Computer spreadsheets, statistical software, and many calculators can quickly calculate the best-fit line and create the graphs. The calculations tend to be tedious if done by hand. Instructions to use the TI-83, TI-83+, and TI-84+ calculators to find the best-fit line and create a scatterplot are shown at the end of this section.Finding the Linear Model 7. To find the linear model (or regression), hit STAT and select CALC (right arrow over) 8. Select #4 "LinReg" and press ENTER. 9. If you have a TI-84 Plus you may have a second screen pop up. If so, be sure your screen looks like the screen shot to the right. Then go down to the word CALCULATE and press ENTER safeway weekly ad santa rosa This video will walk you through the sets of finding the linear regression line using a TI-83/84.Use the following steps to fit a linear regression model to this dataset, using weight as the predictor variable and height as the response variable. Step 1: Calculate X*Y, X2, and Y2. Step 2: Calculate ΣX, ΣY, ΣX*Y, ΣX2, and ΣY2. Step 3: Calculate b0.How to calculate and work with linear regressions with the ti-83 and ti-83 calculator. This video is provided by the Learning Assistance Center of Howard Com...Using the statistics functions of the TI-83+/TI-84+ it is relatively easy to investigate this relationship by performing a linear regression on two variables, such as the following list: You can also find this tutorial for the TI-89/TI-92 Plus/Voyage 200 here.Linear regression equations lesson basic probability and statistics concepts you how to perform simple by hand pre calculus find the line using ti 83 84 calculator formula step calculation with examples a equation steps coefficient slope create interpret from data set on plus graphing 2. Linear Regression Equations Lesson Basic Probability And ... merced county recent arrest In this video I will show you How to Find the Least Squares Regression Line in the TI 84.Use the arrow keys to navigate your cursor, press [ENTER] to plot a point, and repeat until you have enough points for a regression. See the second screen. You need at least two points for a linear regression, at least three points for a quadratic regression, and so on. Press [GRAPH] to activate the FITEQ on-screen prompt. See the third screen.c. Determining a least squares regression line ..... 28 . Standardized Tests: Best Practices for the TI-84 Plus CE ©2016 Texas Instruments Incorporated Page 1 Best Practices for the TI-84 Plus CE ... the TI-84 using the EE key (2nd,) or the 10^ key (2nd log). As long as this number is not too large or small, the calculator will state this in ...Learn how to use the Stat Diagnostics to compute the correlation coefficient for a set of bivariate data. Download the full TI-84 Plus reference guidebook at...The formula for the line of the best fit with least squares estimation is then: y = a · x + b. As you can see, the least square regression line equation is no different from linear dependency's standard expression. The magic lies in the way of working out the parameters a and b. 💡 If you want to find the x-intercept, give our slope ...3. Calculate regression model (e.g., linear regression model: steps 4 & 5) 4. Store residuals in L 3 (Note that the TI-83 automatically calculates the residuals with the regression models) Press STAT : 1 : Move cursor right to L 3 then move cursor up so that L 3 is highlighted : Press 2 nd then STAT : Scroll down until RESID is highlighted ...TI-84 Plus CE Online Calculator. The TI-84 Plus CE Online Calculator is a Chrome™ browser-based web app that emulates a TI-84 Plus CE graphing calculator on Windows®, macOS®, and Google Chromebook™ computers. This subscription-based app lets you tackle math and science problems anytime, from any computer, with just a click of your mouse.Linear regression calculator. Linear regression is used to model the relationship between two variables and estimate the value of a response by using a line-of-best-fit. This calculator is built for simple linear regression, where only one predictor variable (X) and one response (Y) are used. Using our calculator is as simple as copying and ...Updated on Jan 10, 2023. TI-84 Video: Residuals and Residual Plots (YouTube) (Vimeo) 1. Add the residuals to L3. There are two ways to add the residuals to a list. 1.1. Method 1: Go to the main screen. [2nd] "list" [ENTER]. Scroll down and select RESID.A page listing all the functions and commands on the TI-83 Plus and TI-84 Plus graphing calculators. TI-83 Plus and TI-84 Plus Function Reference. Version 1.0. ... Fits a linear regression model to: STAT: Ylistname,freqlist, Xlistname and Ylistname with: CALC: regequ] frequency freqlist, and stores the: 8:LinReg(a+bx)Instructions to use the TI-83, TI-83+, and TI-84+ calculators to find the best-fit line and create a scatter plot are shown at the end of this section. Third ...Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Products. TI-84 Plus CE Technology; TI-Nspire™ CX II Technology; All Products; Compare Calculators; Where to Buy; TI Connect™ CE Software; Product Support. Update TI-84 Plus CE Technology; Update TI-Nspire™ Technology;A short explanation of graphing scatterplots and finding lines of best fit on the TI-84.To enter the data: 1) Press [home], select List & Spreadsheet, and press [enter]. 2) Enter the data in Column A and Column B, pressing [enter] after each entry. 3) Press the up arrow until you highlight cell A. 4) Input [x] to name Column A and press [enter]. 5) Press the arrow until you highlight cell B. 6) Input [y] to name Column B and press ...The formula for the line of the best fit with least squares estimation is then: y = a · x + b. As you can see, the least square regression line equation is no different from linear dependency's standard expression. The magic lies in the way of working out the parameters a and b. 💡 If you want to find the x-intercept, give our slope ...What does the ERROR: DOMAIN message mean when I perform a statistical regression on the TI-84 Plus C Silver Edition? Statistical regressions include the following: • LinReg() - Linear Regression • QuadReg() - Quadratic Regression • CubicReg() - Cubic Regression • QuartReg() - Quartic Regression • LnReg() - Logarithmic Regression ...Step 2: Find the Line of Best Fit. Next, we will find the line of best fit. Press Stat, then scroll over to CALC. Then scroll down to LinReg (ax+b) and press ENTER. Then press 2nd and 1 and comma , then press 2nd and 2 and comma , then press VARS and scroll over to to Y-VARS and press ENTER. Your screen should look like this: Press ENTER once ... fall schedule for metvphilip wegmann age Apr 29, 2021 · A line of best fit is the line that best “fits” the trend of a dataset. This tutorial provides a step-by-step example of how to calculate the line of best fit for the following dataset on a TI-84 calculator: Step 1: Enter the Data. First, we will enter the data values. Press STAT, then press EDIT. Then enter the x-values of the dataset in ... lids embroidery cost TI-84 Linear Regression T-Intervals The TI-84 can calculate a confidence interval on the slope parameter 𝑏1 for the linear regression equation. Begin by entering the data in the Lists in the calculator. You will find these by pressing and then selecting Edit… Then enter the data into the list.this case a = 1.128571 and b = -3.861905. The corr value tells how closely the line fits the data. The closer the number is to 1, the closer the data fits the equation. The equation of the line is y =1.128571 x −3.861905 To graph the line of best fit with the scatter diagram Enter Diamond GraphThe result of F and its transform look like below. Finally, the following formula is used to obtain the parameters for the multiple regression. ( [F]t * [F])-1 * [F]t * [E] The parameters are expressed in the result matrix and therefore the multiple regression equation is. y = 41.51x1 - 0.34x2 + 65.32.This video explains how to perform linear regression on the TI-84 and determine r and r-squared.http://mathispower4u.comStep by step example for calculating a linear regression equation by hand from a set of data points (y = ax + b).What does the ERROR: DOMAIN message mean when I perform a statistical regression on the TI-84 Plus C Silver Edition? Statistical regressions include the following: • LinReg() - Linear Regression • QuadReg() - Quadratic Regression • CubicReg() - Cubic Regression • QuartReg() - Quartic Regression • LnReg() - Logarithmic Regression ...How to Calculate Confidence Intervals on a TI-84 Calculator How to Find Margin of Error on a TI-84 Calculator. Regression How to Calculate a Correlation Coefficient on a TI-84 …Wait while your calculator plots your scatter line. Press the “Stat” key. Highlight the “Calc” option. Scroll down to option 4. Press the “Enter” key. Press the “Enter” key again. Wait for the calculation. The “a” value displayed on your calculator represents the slope of the scatter plot line. The “b” value displayed on ...function or a menu. Turning On and Turning Off the TI-84 Plus. Turning On the Graphing Calculator ... line of the stat plot editor. To display the stat plot ...Learn how to find the lines of best fit, or regression line, using the TI-84 graphing calculator. I will also explain how to use the TI-84 to help make pred...Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.The correlation coefficient, r, is the bottom item in the output screens for the LinRegTTest on the TI-83, TI-83+, or TI-84+ calculator (see previous section ...Find r-value & equation of regression line w/ EL531W. By WonderHowTo. 2/10/10 11:31 AM. Need a little help in your Statistics class? In this statistics tutorial hosted by The Free Math Tutor, a demonstration of how to use the Sharp EL531W calculator to find the correlation coefficient (r-value) and the equation of a regression line is given.Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste...This problem is from the following book: http://goo.gl/t9pfIjWe calculate a residual by hand using the least-squares regression equation. Next we use the TI-...this case a = 1.128571 and b = -3.861905. The corr value tells how closely the line fits the data. The closer the number is to 1, the closer the data fits the equation. The equation of the line is y =1.128571 x −3.861905 To graph the line of best fit with the scatter diagram Enter Diamond GraphTo see the regression graph. Access the equation menu. The regression equation will be put into Y1. Access the vars menu and navigate to <5: Statistics>., . Navigate to <EQ>. <1: RegEQ> contains the regression equation which will be entered in Y1. Press the graphing mode button. The regression line will be superimposed over the scatter plot.Why are the r-values not automatically displayed when I calculate a statistical regression on the TI-83 Plus and TI-84 Plus family of graphing calculators? When using the TI-83 Plus and TI-84 Plus family of graphing calculators, the r and r 2 values are computed for LinReg(a+bx), LinReg(ax+b), ExpReg, PwrReg and LnReg. bookends at hobby lobbysum of interior angles nonagon 3. Calculate regression model (e.g., linear regression model: steps 4 & 5) 4. Store residuals in L 3 (Note that the TI-83 automatically calculates the residuals with the regression models) Press STAT : 1 : Move cursor right to L 3 then move cursor up so that L 3 is highlighted : Press 2 nd then STAT : Scroll down until RESID is highlighted ...This video explains how to determine outliers of a data set using the box plot tool on the TI-84.Works with all lines including horizontal lines. But will not work with vertical lines. But I will show you a quick method to determine the equation of a ver...If you find yourself in a situation where you need to find the slope and y intercept for a set of data, this video will show you how to do a linear regressio...Two linear regression lines. TI 83 Linear Regression: Overview. Linear regression is tedious and prone to errors when done by hand, but you can perform linear regression in the time it takes you to input a few variables into a list.Linear regression will only give you a reasonable result if your data looks like a line on a scatter plot, so before you find the …Oct 3, 2017 · Learn how to find the lines of best fit, or regression line, using the TI-84 graphing calculator. I will also explain how to use the TI-84 to help make pred... buff city soap augusta ga 0:00 / 3:40 How to find the regression equation line calculator Ti-84 I Hate Math Group, Inc 36.5K subscribers 152K views 10 years ago MBA4Kidz Playlist This video willl show you a quick...invNorm (probability, μ, σ) where: probability: the significance level. μ: population mean. σ: population standard deviation. You can access this function on a TI-84 calculator by pressing 2nd and then pressing VARS. This will take you to a DISTR screen where you can then use invNorm (): The following examples show how to use this function ...How do I calculate a Median-Median Regression on the TI-84 Plus family of graphing calculators? Med-Med (median-median) fits the model equation y=ax+b to the data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med displays values for a (Slope) and b (y-intercept). Linear regression is used to find a line that best “fits” a dataset. We often use three different sum of squares values to measure how well the regression line actually fits the data: 1. Sum of Squares Total (SST) – The sum of squared differences between individual data points (y i) and the mean of the response variable (y). SST = Σ(y i ... vets in texarkanavocabulary workshop level d unit 4 answers 14) Press [GRAPH] to graph the data and the quadratic regression equation. 15) If the graphs are not displayed, press [ZOOM] [9] to perform a ZoomStat. Please see the TI-83 Plus and TI-84 Plus guidebooks for additional information. TI-Nspire handheld in TI-84 Plus mode users may refer to the TI-84 Plus guidebook. RIT Calculator Site Linear Regression Using the TI-83 Calculator 3 TI-83 Tutorials ∑ Fitting a Linear Function The scatter plot in Fig. 8 suggests that a straight line relationship is reasonable. Press the STAT key and choose CALC 4:LinReg(ax+b) as shown in Fig. 9. (Note: choosing option 8: LinReg(a+bx) will produce the same results as choosing option 4 wxmi tv Goal is to find regression line that best fits the data point. He shows formula to get the correlation coefficient, but they have already done all the calculation to get the best correlation coefficient. They have also provided x,y mean and stddev. Now the way they derive the y=mx+b. First they use the Xmean and Ymean as reference.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.To calculate the Linear Regression (a+bx): • Enter the STAT mode again by pressing [2nd] [STAT]. • Press [F1] to select CALC. • Press [F3] to select LinR. • Now press [2nd] [LIST] to select the lists to use for the regression. • Press [F3] to select Names. Press the function key (F1-F5) that corresponds to xStat, press the comma ... y = 76.21296 – 29.8634 * ln (x) We can use this equation to predict the response variable, y, based on the value of the predictor variable, x. For example, if x = 8, then we would predict that y would be 14.11: y = 76.21296 – 29.8634 * ln (8) = 14.11. Bonus: Feel free to use this online Logarithmic Regression Calculator to automatically ... justice grown dickson city pabenson dragway schedule 2023 166 Chapter 27 – Multiple Regression TI-89 Solution. Enter the original data into three lists. The TI-89 has an augment function that can be found in the … (List) Ops menu within the Stats/List Editor application. You can use this to stack the data for the reporting percents and report dates similarly to that shown above. This video shows how to find the values for the least squares regression line in a TI-84 graphing calculator.To find the linear regression on the TI-30X IIB / TI-30X IIS, please refer to the example below: 1-VAR analyzes statistical data from 1 data set with 1 measured variable, x. 2-VAR stats analyzes paired data from 2 data sets with two measured variables x, the independent variable, and y, the dependent variable.26 de jul. de 2019 ... For now, just note where to find these values; we will discuss them in the next two sections. Graphing the Scatterplot and Regression Line.Guidebooks - TI-84 Plus CE; Guidebooks - TI-84 Plus CE Python; Guidebooks - TI-Nspire™ Technology; TI-84 Plus CE Apps and Updates; TI-Nspire CX Updates; All software, OS and Apps; Activities. All Classroom Activities; 84 Activity Central; Math Nspired; ... Linear Regression. Activity OverviewCalculate! Title: Regression on the TI-84+ Graphing Calculator Author: Lynn Speegle Created Date: 11/6/2012 4:31:28 PM ...To see the regression graph: Access the equation menu. The regression equation will be put into Y1. Access the vars menu and navigate to <5: Statistics>., Navigate to <EQ>. <1: RegEQ> contains the regression equation which will be entered in Y1. Press the graphing mode button. The regression line will be superimposed over the scatter plot.Back in High School I remember the TI-84 calculator allowing the user to enter a few data points and then select from a list of options to find an equation that best fit the data points. One of these options was called Logistic and it found the variables "a","b", and "c" for the equation of the form. y = 1 c + ae−bx y = 1 c + a e − b x.Step 1: Enter the Data First, we will enter the data values. Press STAT, then press EDIT. Then enter the x-values of the dataset in column L1 and the y-values in …8) Press [Right Arrow] until you select 'b and press [tab]. 9) Press [enter]. Please Note: The regression equation is stored to f1 (x) by default, to graph the regression equation press [Ctrl] [I] [2 Add Graphs] [Up Arrow] [Enter]. Please see the TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire and TI-Nspire CAS guidebooks for additional information.May 30, 2015 · Calculate the confidence interval for the slope of a regression line using a TI-84 graphing calculator:TI-84 at http://amzn.to/1I0QO3P (affiliate link)More f... Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste...Scatter plot and Linear Regression Line Finding a linear model with scikit-learn. The second way to find the regression slope and intercept is to use sklearn.linear_model.LinearRegression. This class requires the x values to be one column. We modify year data using reshape(-1,1). The original year data has 1 by 11 shape.Then go to Plot 1 and choose the Scatter Plot Icon in Type. Note: Be sure that the lists you will be using are indicated in the Xlist and the Ylist. 2. Go to Y1 and [Clear] any functions. 3. Go to [STAT] . Enter your data in L1 and L2. 4. Then go to [ZOOM] "9: ZoomStat" to see the scatter plot in a "friendly window".Press ENTER to calculate the regression line and store the result in Y3. Plotting the Data Points and the Line. You can plot the regression line in Y3 in the same way that you plot any function. To plot the data points, follow the steps below. This is assuming that the x coordinates are in L1 and the y coordinates are in L2.Description. This graphing calculator reference sheet on quadratic regression, guides students step-by-step on how to create a scatter plot, graph it, find the quadratic equation, and graph the line of best fit. Reference Sheet: A reference page with step-by-step instructions. Practice Sheet: A practice page with problems for students to review ... coleman kt196 top speedpublic roads for short To perform the paired t-test, we will simply perform a t-test on column L3, which contains the values for the paired differences. Press Stat. Scroll over to TESTS. Scroll down to 2:T-Test and press ENTER. Inpt: Choose whether you are working with raw data (Data) or summary statistics (Stats).Y = a + bX. Y – Essay Grade a – Intercept b – Coefficient X – Time spent on Essay. There’s a couple of key takeaways from the above equation. First of all, the intercept (a) is the essay grade we expect to get when the time spent on essays is zero. You can imagine you can jot down a few key bullet points while spending only a minute ... fingerhut online catalog shopping To use stat lists to enter your data into the calculator, follow these steps: Press [STAT] to access the Stat EDIT menu. See the first screen. Press [5] [ENTER] to execute the SetUpEditor command. The SetUpEditor command clears all data lists (columns) from the Stat List editor and replaces them with the six default lists L1 through L6.3. You should now have a linear graph. To get the formula in the form of y = mx + b (where m is the slope and b is the y-intercept) hit your magic b button, then choose 4: Analyze > 6: Regression > 1: Show Linear (mx+b) Section C: Use Your Numbers (Depends on question) This section is optional depending on what the question asks.This handout on Linear Regression helps you teach your students to use the TI 83- 84 Graphing Calculator to enter data into lists, create a linear regression equation and to plot the equation along with the data. Easy to follow - already used successfully with hundreds of students and also with TI's official Teacher Teaching with Technology, T ...Basic Functions. Using the Fraction Button on the TI-84. Entering Equations into the TI-84. Zoom Fit, Zoom Standard, ZBox Functions on the TI-84. Adjusting the Viewing Window and Finding x-intercepts on the TI-84. Using the Table of Values & Setting "Auto" or "Ask" on the TI-84.The predicted values can be obtained using the fact that for any i, the point (xi, ŷi) lies on the regression line and so ŷi = a + bxi. E.g. cell K5 in Figure 1 contains the formula =I5*E4+E5, where I5 contains the first x value 5, E4 contains the slope b and E5 contains the y-intercept (referring to the worksheet in Figure 1 of Method of ...Scatter Plots and Correlation: https://youtu.be/CeHtXupAGvsLinear Regression by Hand: https://youtu.be/KomP0HbvOsQThe slope of a regression line is denoted by 'b,' which shows the variation in the dependent variable y brought out by changes in the independent variable x. The formula to determine the slope of the regression line for Y on X is as follows: b = (N∑XY- (∑X) (∑Y) / (N∑X2- (∑X)2) This has been a guide to what is Regression Line ...Jan 17, 2023 · Step 2: Perform linear regression. Next, we will perform linear regression. Press Stat and then scroll over to CALC. Then scroll down to 8: Linreg(a+bx) and press Enter. For Xlist and Ylist, make sure L1 and L2 are selected since these are the columns we used to input our data. Leave FreqList blank. Scroll down to Calculate and press Enter. The ... This is a video in my calculator tutorial series that shows how to graph and find the equation for a linear regression. Also, I go through certain problems t...Learn the Steps to do a Exponential Regression Problem on the TI84 Plus CE Graphing Calculator.Buy the TI84 Plus CE on Amazon here: https://amzn.to/2zOKPTD0:...166 Chapter 27 - Multiple Regression TI-89 Solution. Enter the original data into three lists. The TI-89 has an augment function that can be found in the … (List) Ops menu within the Stats/List Editor application. You can use this to stack the data for the reporting percents and report dates similarly to that shown above.Learn how to use the Stat plot feature of the TI-84+ Calculator to find the equation of those points. This video cover quickly and effectively how to do just...You can draw a line in the xy-plane: say y = ax + b. For each point, the residual is defined as the observed value y minus the fitted value: that is, the vertical distance between the observed and ...The description of the nature of the relationship between two or more variables; it is concerned with the problem of describing or estimating the value of the dependent variable on the basis of one or more independent variables is termed as a statistical regression. Step 1: Count the number of values. Step 3: Find ΣX, ΣY, ΣXY, ΣX 2.Log In Regression modeling is the process of finding a function that approximates the relationship between the two variables in two data lists. The table shows the typTI-84 Linear Regression T-Intervals The TI-84 can calculate a confidence interval on the slope parameter 𝑏1 for the linear regression equation. Begin by entering the data in the Lists in the calculator. You will find these by pressing and then selecting Edit… Then enter the data into the list. camelot german shepherdrobitussin dm vs mucinex dm Computer spreadsheets, statistical software, and many calculators can quickly calculate the best-fit line and create the graphs. The calculations tend to be tedious if done by hand. Instructions to use the TI-83, TI-83+, and TI-84+ calculators to find the best-fit line and create a scatter plot are shown at the end of this section.Working with lists: Learn how to create a regression equation for a set of data on the TI-84 Plus C Silver Edition graphing calculator. Get started using ste...The STAT indicator displays. 2) Press [DATA]. 3) Enter 3 for X1. 4) Press the [Down Arrow]. 5) Enter 7 for Y1 and press [ENTER] 6) Repeat steps 3 and 4 until all the above data points are entered. Users must press [ENTER] or the down arrow to save the last data point or FRQ value entered. If users add or delete data points, the TI-30X IIS/B or ...Oct 3, 2017 · Learn how to find the lines of best fit, or regression line, using the TI-84 graphing calculator. I will also explain how to use the TI-84 to help make pred... 2. On my TI 84 Plus CE, I have Y1 Y 1 and Y2 Y 2 filled with equations, both under Plot 1. When I select Plot 1 and press enter to select it to graph, the plot doesn't show up under graph. Instead, I see a scatter plot based off of my data in L1 L 1 and L2 L 2. I go to 2nd stat plot and turn off Plot 1, but then Plot 1 under y= is also deselected.Highlight and select "CALC" by moving your cursor with the arrow keys. Scroll down and select the "LinReg (ax+b)" function. Press the "Enter" key. This will calculate the slope of the line, using the coordinates you entered in Step 3. Find the slope of the line by looking for the "a=" value. This value is your slope.Linear regression is used to find a line that best "fits" a dataset.. We often use three different sum of squares values to measure how well the regression line actually fits the data:. 1. Sum of Squares Total (SST) - The sum of squared differences between individual data points (y i) and the mean of the response variable (y). SST = Σ(y i - y) 2; 2. Sum of Squares Regression (SSR ... wells fargo car loan application Compute regression line parameters as well as the correlation coefficient and R-squared on a TI-83 or TI-84 (both shown). These calculators are available on ...Jan 10, 2023 · TI-84 Video: Least Squares Regression Line (YouTube) (Vimeo) 1. Enter your data in L1 and L2. Note: Be sure that your Stat Plot is on and indicates the Lists you are using. 2. Go to [STAT] "CALC" "8: LinReg (a+bx). This is the LSRL. 3. Enter L1, L2, Y1 at the end of the LSRL. How to perform a linear regression analysis using the TI-83/TI-84 Check out Mr. Dorey's Algebra Handbook - A comprehensive guide and handbook for Algebra stu...This video explains how to perform linear regression on the TI-84 and determine r and r-squared.http://mathispower4u.com how to make lemon teksportran where's my bus