Refer to Exercise 1.a.?Determine the 95% confidence interval for the mean predicted when?x?=?7.b.?Determine the 95% prediction interval

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Refer to Exercise 1.a.?Determine the 95% confidence interval for the mean predicted when?x?=?7.b.?Determine the 95% prediction interval for an individual predicted when?x?=?7.

Exercise 1.

The Sally Coffee Shop is considering closing one hour earlier in the evening through the week. Sally obtained the following data from a study taken last week of the number of customers between the hours of 10 and 11 p.m., and the dollar value spent.image

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Basic Statistics For Business & Economics

ISBN: 9781259268939

6th Canadian Edition

Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen, Carol Ann Waite

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