Upon doing a linear regression analysis with a categorical IV, you find that the "b" value is 2.5. Find the "a" value from the following information:

X Variable Y Variable

Sum: 140 Sum: 1101.25

N = 40 N = 40

Average: 3.5 Average: 27.53125

Standard Deviation: 1.024 Standard Deviation: 273.48

answers

76.5

14.222

18.78

14.03

603.33