The Following Data Have Been Collected for a Simple Linear

Multiple Choice

The following data have been collected for a simple linear regression analysis relating sales (y) to price (x) : In applying the least squares criterion, the slope (b) and the intercept (a) for the best-fitting line are b = -12 and a = 162.Compute the value of r² here.

A) .66
B) .72
C) .54
D) .77
E) .81