Share
Explore BrainMass

The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports.

Please show work.

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 pro-vide 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.

Solution Summary

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 pro-vide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.

$2.19