A sample of round trip flight prices from 14 major U.S. cities to Atlanta and Salt Lake City are contained in the file Flights.xlsx. Based on historical data, round trip flight to Atlanta have a...

A sample of round trip flight prices from 14 major U.S. cities to Atlanta and Salt Lake City are contained in the fileFlights.xlsx. Based on historical data, round trip flight to Atlanta have a variance of $2,500 and round trip flight to Salt Lake City have a variance of $5,625.

Are round trips to Atlanta cheaper than round trips to Salt Lake City. Perform a test with a 95% level of confidence.