Question: Answer the following questions using the data from Problem 14.65: a. Calculate the coefficient of determination. b. Using a = 0.05, test the significance of

Answer the following questions using the data from Problem 14.65:

a. Calculate the coefficient of determination.

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

c. Construct a 95% confidence interval for the average sales from 4.0 feet of shelf space.

d. Construct a 95% prediction interval for the sales from 4.0 feet of shelf space.

e. Verify your results from parts c and d with PHStat.

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