The Pear Tree would like to estimate the mean amount spent by their customers at their weekend
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The Pear Tree would like to estimate the mean amount spent by their customers at their weekend brunch during the summer. The population estimate of the standard deviation is 30 and they want the mean estimate to be within $8, using a 95% level of confidence. How large a sample is required?
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Related Book For
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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