Answer the following questions using the data from Problem 14.69: a. Using = 0.05, test for

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Answer the following questions using the data from Problem 14.69:

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

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

c. What conclusions about missed classes and final grade can be drawn from these results?

d. Verify your results using Excel.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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