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.

3	7	8	9	10	10	10	9	9	9	9	8	5
6	7	7	9	8	10	9	8	7	6	8	7	9
5	3	9	10	10	9	9	8	9	8	6	10	8
4	7	3	10	8	9	8	10	10	8	8

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

Answer 1