Question: Answer the following questions based on the data from Problem 14.73. a. Test for the significance of the regression slope using a = 0.05. b.

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

a. Test for the significance of the regression slope using a = 0.05.

b. Construct a 95% confidence interval for the population slope.

c. What conclusions about the order size and customer’s age can be drawn from these results?

d. Verify your results using Excel.

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