Answer the following questions based on the data from Problem 14.73. a. Calculate the coefficient of determination.
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 of determination using a = 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.
AppendixLO1
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