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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Flight scheduled one day in advance 475 438 882 474 475 540 2909 Flight scheduled 30 days in advance 236 157 66 182 166 166 240