Question

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.

2 6 7 8 9 9 9 10 10 10 10 9 4

5 6 6 8 7 9 10 9 6 5 7 6 8

4 2 10 9 9 10 10 9 8 7 5 9 9

3 6 2 9 7 10 7 9 9 9 9

Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.

Answer 1