Question 3 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=-1. 208 b=29. 914 r2=0.714025 r=-0.845 Use this to predict the number of situps a person who watches 3 hours of TV can do (to one decimal place) Submit Question Question 4 0/1 pt 9 5 99 0 Details