Following are the size and price data for custom homes from Exercise 14.18.

a. Determine a point estimate for the mean price of all 2800-sq. ft. Equestrian Estate homes.
b. Find a 99% confidence interval for the mean price of all 2800-sq. ft. Equestrian Estate homes.
c. Find the predicted price of a 2800-sq. ft. Equestrian Estate home.
d. Determine a 99% prediction interval for the price of a 2800-sq. ft. Equestrian Estate home.
Presuming that the assumptions for regression inferences are met, determine the required confidence and prediction intervals.

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