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

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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.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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Question Posted: Jul 29, 2015 03:20 AM

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

Question:

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

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