The International Air Transport Association surveys business travelers to develop
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.


Develop a 95% confidence interval estimate of the population mean rating forMiami.
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