In Problem 12.6 on page 441, the owner of a moving company wanted to predict labor hours based on… 1 answer below »

In Problem 12.6 on page 441, 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)?

 

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