Complaints about how long it takes the city of Shorewood to pay its bills have reached the
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Complaints about how long it takes the city of Shorewood to pay its bills have reached the city manager. City policy requires that bills be paid within 30 days. A sample of 100 bills shows a mean of 34 days with a standard deviation of 15. Is it possible that a sample mean of 34 days could be generated from a population with a true mean of 30?
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Related Book For 
Applied Statistics For Public And Nonprofit Administration
ISBN: 9781111342807
8th Edition
Authors: Kenneth J. Meier, Jeffrey L. Brudney, John Bohte
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