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Example 149


Example 149:  Disney is comparing two methods of receiving customers at its City Halls in the Magic Kingdom and Disney Land.  They are deciding if using one long line (used in Disney Land) is better than allowing people to line up in separate lines for each teller (used in Magic Kingdom).  They collected waiting time data (measured in minutes) for both locations:


Test the claim at the 5% significance level that Disney Land “City Hall” lines have a smaller variance than the lines at “City Hall” in Magic Kingdom.


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