The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The
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The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10.
Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.
6 4 6 8 7 7 6 3 3 8 10 4 8 7 8 7 5 9 5 8 4 3 8 5 5 4 4 4 8 4 5 6 2 5 9 9 8 4 8 9 9 5 9 7 8 3 10 8 9 6 Develop a 95% confidence interval estimate of the population mean rating for Miami.
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Related Book For 
Statistics For Business And Economics
ISBN: 9780324783247
11th Edition
Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson
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