Expedia would like to test the hypothesis that the standard deviation for the roundtrip airfare between Philadelphia and Paris is higher for a flight originating in Philadelphia when compared to a flight originating in Paris. The following data summarizes the sample statistics for roundtrip flights originating in both cities.   Originating City   Philadelphia Paris Sample standard deviation $270 $240 Sample size 15 19 Test the hypothesis using α = 0.05.

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