Consider the hang time punting data given in Example 12.13, using only the variables x2 and x3.

Question:

Consider the "hang time" punting data given in Example 12.13, using only the variables x2 and x3.
(a) Verify the regression equation shown.
(b) Predict punter hang time for a punter with LLS = 180 pounds and Power = 260 foot-pounds.
(c) Construct a 95% confidence interval for the mean hang time of a punter with LLS = 180 pounds and Power = 260 foot-pounds.