Learn how to find the line of best fit using the linear regression feature on your TI84 or TI83 Graphing Calculator. We go through an example problem where you are given a set of coordinates to which you want to find the linear equation that best approximates the linear trend indicated by the points. We discuss how to plot the points on your graphing calculator, save the linear regression equation generated, and graph the line of best fit with the data points. We also briefly discuss what the r (correlation coefficient) represents as well.

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00:00 Intro
0:40 How to Enter the Data Points
1:08 How to Generate the Line of Best Fit
1:25 How to Store the Linear Regression Equation
1:57 Discussion of Correlation Coefficient
2:17 How to Graph the Line
2:24 How to Plot the Data Points

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