please see below

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 =-1 . 34 b=37 . 727 r2=0.444889 =-0.667 Use this to predict the number of situps a person who watches 3.5 hours of TV can do (to one decimal place) S