Question: Answer the following questions using the data from Problem 14.53: a. Using = 0.05, test the significance of the regression slope. b. Construct a

Answer the following questions using the data from Problem 14.53:

PSL Spending PSL Spending 1 13.52 15.9 7 38.58 21.34 19.59 37.12 1 9.22 13.31 3. 1, 3. 3.


a. Using α = 0.05, test the significance of the regression slope.

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

c. What conclusions about PSL purchases and spending can be drawn from these results?

PSL Spending PSL Spending 1 13.52 15.9 7 38.58 21.34 19.59 37.12 1 9.22 13.31 3. 1, 3. 3.

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