The owner of a moving company wanted to predict labor hours based on the number of cubic

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The owner of a moving company wanted to predict labor hours based on the number of cubic feet moved. The data are stored in Moving
a. Construct a 95% confidence interval estimate of the mean labor hours for all moves of 500 cubic feet.
b. Construct a 95% prediction interval of the labor hours of an individual move that has 500 cubic feet.
c. Why is the interval in (a) narrower than the interval in (b)?
For Information: Problem 13.6
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Statistics For Managers Using Microsoft Excel

ISBN: 9780133130805

7th Edition

Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat

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