:

:  average = 68 inches, SD = 3 inches 
:  average = 120 pounds, SD = 20 pounds
                r = 0.6

Assume that the scatter diagram has linear regression, is
homoscedastic, and is football-shaped.

The average weight of those who are 65 inches tall is closest to

 a.  120 pounds
 b.  132 pounds
 c.  100 pounds
 d.  140 pounds
 e.  108 pounds