Based on the data shown below, calculate the regression line (each value to two decimal places) y : X + X y 2 6.82 3 6.78 4 10.04 5 9.1 6 10.46 7 12.42 8 13.88 9 14.24 10 14.1 11 13.06 Question 11 1pt 9 1 0 Detail 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. 084 b=31.94 2=0.946729 r=-0.973 Use this to predict the number of situps a person who watches 2 hours of TV can do (to one decimal place) Question 12 1pt 9 1 0 Details Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x y 3 17.57 4 18.76 5 21.45 25.74 7 26.13 8 28.72 9 32.51 10 31.2 11 36.89 12 37.08 13 40.17 14 15 43.55 16 44.74 17 50 63