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Question 6 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=-0.66 b=31. 268 re-0. 546121 r=-0. 739 Use this to predict the number of situps a person who watches 2 hours of TV can do (to one decimal place Question Help: ) Video L Message instructor