# Question: A random sample of 21 NCAA Division I men s basketball

A random sample of 21 NCAA Division I men’s basketball games during a recent season had an average attendance of 5,038 with a sample standard deviation of 1,755.

a. Construct a 90% confidence interval to estimate the average attendance of an NCAA men’s basketball game during the 2009– 2010 season.

b. Verify this interval using Excel.

c. What assumptions need to be made about this population?

a. Construct a 90% confidence interval to estimate the average attendance of an NCAA men’s basketball game during the 2009– 2010 season.

b. Verify this interval using Excel.

c. What assumptions need to be made about this population?

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