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=-0.842...

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Extracted text: 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=-0.842 b=20.276 r2=0.712336 r=-0.844 Use this to predict the number of situps a person who watches 3.5 hours of TV can do (to one decimal place)