33. The data from exercise 2 follow. xi 3 12 6 20 14 yi 55 40 55...

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33. The data from exercise 2 follow.

xi 3 12 6 20 14 yi 55 40 55 10 15

a. Estimate the standard deviation of when x  8.

b. Develop a 95% confidence interval for the expected value of y when x  8.

c. Estimate the standard deviation of an individual value of y when x  8.

d. Develop a 95% prediction interval for y when x  8.

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Essentials Of Statistics For Business And Economics

ISBN: 9780324568608

5th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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