Listed below are time intervals (in minutes) between eruptions of the Old Faithful geyser in Yellowstone National Park. Using a 0.05 significance level, test the claim that the times are the same for both years.

Use the Wilcoxon rank-sum test.

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1951 74 60 74 42 74 S2 65 68 62 66 62 60 1996 88 86 85 89 83 85 9 68 91 56 89 94 Based on data from geologist Rick Hutchinson and the National Park Service.