How do competing airline carrier fares compare? A frequent flyer investigated round-trip fares for non-stop travel from...

How do competing airline carrier fares compare? A frequent flyer investigated round-trip fares for non-stop travel from Philadelphia to 10 different U.S. destinations on Southwest Airlines and US Airways. The following data was collected:

Southwest Fare ($)	US Airways Fare ($)
706	706
718	674
980	980
1078	1284
654	654
820	748
820	728
832	822
1114	1918
1138	1918

a. At the .05 level of significance, is there evidence of a difference in the mean round-trip fare between Southwest Airlines and US Airways?

b. What assumption is necessary about the population distribution in order to perform this test?

Expert Solution

orchestra answered 2 years ago

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