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

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Battery Screen Battery Screen Life 3.6 3.7 4.2 4.0 Size 15.6 17.3 14.5 12.1 Life 3.1 4.1 4.5 3.9 Size 14.0 13.3 11.6 13.1