Cody and Tyler were once the same height. Since then, Tyler's height has increased by 20%, while Cody has grown half as much. If
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Use the graphing calculator to plot the line y=ax+b for the given data. On the attached diagram you can see green points that are ordered pairs weight-height and black line is regression line.
As you can see a≈0.1 and b≈50.9.
The equation of regression line is y=0.1x+50.9.
