Peter G.
asked • 03/11/22The 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.
| 7 | 7 | 3 | 8 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 4 | 9 |
| 10 | 9 | 9 | 8 | 10 | 4 | 5 | 4 | 10 | 10 | 10 | 11 | 4 |
| 9 | 7 | 5 | 4 | 4 | 5 | 5 | 4 | 3 | 10 | 10 | 4 | 4 |
| 8 | 7 | 7 | 4 | 9 | 5 | 9 | 4 | 4 | 4 | 4 |
Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.
Billy M. answered • 03/11/22
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n=50 , std. dev=2.47 , mean=6.26
95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.
(5.56,6.96)
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