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.
67494849678585497957756868233451033 98889910586454848\begin{matrix}\tex t{6} & \text{4} & \text{6} & \text{8} & \text{7} & \text{7} & \text{6} & \text{3} & \text{3} & \text{8} & \text{10} & \text{4} & \text{8}\\\text{7} & \text{8} & \text{7} & \text{5} & \text{9} & \text{5} & \text{8} & \text{4} & \text{3} & \text{8} & \text{5} & \text{5} & \text{4}\\\text{4} & \text{4} & \text{8} & \text{4} & \text{5} & \text{6} & \text{2} & \text{5} & \text{9} & \text{9} & \text{8} & \text{4} & \text{8}\\\text{9} & \text{9} & \text{5} & \text{9} & \text{7} & \text{8} & \text{3} & \text{10} & \text{8} & \text{9} & \text{6}\\\end{matrix}6749484967858 54979577568682334510339888991058645 4848
Develop a 95% confidence interval estimate of the population mean rating for Miami.