Use the Following Information for Questions:
a Regression Line $\hat{y}$

Short Answer

Use the following information for questions:
A regression line relating y =student's height (inches) to x = father's height (inches) for n = 70 college males is $\hat{y}$ = 15 + 0.8 x.
-If the son's actual height is 68 inches, what is the value of the residual?