Question: Answer the following questions based on the data from Problem 14.73. a. Calculate the coefficient of determination. b. Test the significance of the population coefficient

Answer the following questions based on the data from Problem 14.73.

a. Calculate the coefficient of determination.

b. Test the significance of the population coefficient of determination using α = 0.05.

c. Construct a 95% confidence interval for the average order size for a 40 year old customer.

d. Construct a 95% prediction interval for the order size for Rick, who is a 40 year old customer.

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

In Problem

Order Size ($) 54 30 Order Age 41 26 Age Size (S)

Order Size ($) 54 30 Order Age 41 26 Age Size (S) 29 15 38 54 63

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