A simple random sample of 40 salaries of NCAA football coaches has

A simple random sample of 40 salaries of NCAA football coaches has a mean of $415,953. Assume that σ = $463,364.

a. Find the best point estimate of the mean salary of all NCAA football coaches.

b. Construct a 95% confidence interval estimate of the mean salary of an NCAA football coach.

c. Does the confidence interval contain the actual population mean of $474,477?

Data Analysis Case:
Review Exercises: