A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were: y=ax+b a=-0.722 b=21.301 r2=0.381924 r=-0.618 Use this to predict the number of situps a person who watches 2 hours of TV can do (to one decimal place)

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y).

The results of the regression were:

y=ax+b

a=-0.722

b=21.301

r2=0.381924

r=-0.618

Use this to predict the number of situps a person who watches 2 hours of TV can do (to one decimal place)

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