The Regression Line $\hat{y}$ = 3 + 2x Has Been Fitted to the Data

Multiple Choice

The regression line $\hat{y}$ = 3 + 2x has been fitted to the data points (4,8) , (2,5) , and (1,2) . The residual sum of squares will be:

A) 10.
B) 15.
C) 13.
D) 22.