Answer
Asking price of a 2900-square-foot house in Greenville, South Carolina, with and 3 baths:
The 95% confidence interval is between 365,115 and 429,065 dollars.
The 95% prediction interval is between 294,238 and 499,942 dollars.
Work Step by Step
With the results from item (e) still available in MINITAB:
Select Stats -> Regression -> Regression -> Predict
Enter 2900 and 3 in the first row of the table.
(We ignored the number of bedrooms because it was removed in part (e)).
Click in Options and enter the level of confidence. Click OK.
Click OK.
