A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (3:) and number of sit ups a person can do (y). The results of the regression were: y=ax+b a=0.772 b=26.284 r2=0.561001 r=0.749 Use this to predict the number of sit ups a person who watches 13 hours of TV can do, and please round your answer to a whole number. Help