Answer
Calories in 100 g of ready-to-eat cereal with 4 g of fat and 90 g of carbohydrates:
The 95% confidence interval is between 388.079 and 407.815 calories.
(for the mean calories of all 100 g of ready-to-eat cereal with 4 g of fat and 90 g of carbohydrates)
The 95% prediction interval is between 380.640 and 415.255 calories.
(for the calories of a particular 100 g of ready-to-eat cereal with 4 g of fat and 90 g of carbohydrates)
Work Step by Step
With the results from item (e) still available in MINITAB:
Select Stats -> Regression -> Regression -> Predict
Enter 4 and 90 in the first row of the table.
Click in Options and enter the level of confidence. Click OK.
Click OK.
