Question: Answer the following questions using the data from Problem 14.50: a. Using Î± = 0.05, test for the significance of the regression slope. b. Construct

Answer the following questions using the data from Problem 14.50:
a. Using Î± = 0.05, test for the significance of the regression slope.
b. Construct a 95% confidence interval for the population slope.
c. What conclusions about customer rating and time on hold can be drawn from these results?
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