# Question

Answer the following questions using the data from Problem 14.53:

a. Calculate the coefficient of determination.

b. Using α = 0.05, test the significance of the population coefficient of determination.

c. Construct a 95% confidence interval for the average battery life for a laptop with a 14 in. screen.

d. Construct a 95% prediction interval for the battery life for a laptop with a 14 in. screen.

In Problem

a. Calculate the coefficient of determination.

b. Using α = 0.05, test the significance of the population coefficient of determination.

c. Construct a 95% confidence interval for the average battery life for a laptop with a 14 in. screen.

d. Construct a 95% prediction interval for the battery life for a laptop with a 14 in. screen.

In Problem

## Answer to relevant Questions

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