Question

Refer to the same data from Exercise 2. Use a 0.05 significance level with the Wilcoxon signed-ranks test to test the claim that differences between fares for flights scheduled 1 day in advance and those scheduled 30 days in advance have a median equal to 0. What do the results suggest?
Use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter.


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  • CreatedMay 03, 2015
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