When I teach regression, I usually introduce the regression line by reminding my students of the long-ago days of algebra class and graph paper and rulers.
MathIsFun.com has created an interactive applet that mimics the graph paper and allows users to adjust the y-intercept and the slope. This is a slightly fancier, more high-tech way to get your students thinking about the linear equation and then fitting that old knowledge into the new concept of regression.
MathIsFun.com has created an interactive applet that mimics the graph paper and allows users to adjust the y-intercept and the slope. This is a slightly fancier, more high-tech way to get your students thinking about the linear equation and then fitting that old knowledge into the new concept of regression.
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| Use the bars to adjust slope and y-intercept as a quick linear equation primer before teaching regression |
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