Verify that the wilcoxon mann whitney test

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Reference no: EM131397306

Imagine that two groups of cancer patients are compared, the first group having a rapidly progressing form of the disease and the other having a slowly progressing form instead.

At issue is whether psychological factors are related to the progression of cancer. The outcome measure is one where highly negative scores indicate a tendency to present the appearance of serenity in the presence of stress. The results are

Group 1:	-25	-24	-22	-22	-21	-18	-18	-18
	-18	-17	-16	-14	-14	-13	-13	-13
	-13	-9	-8	-7	-5	1	3	7
	7
Group 2:	-21	-18	-16	-16	-16	-14	-13	-13
	-12	-11	-11	-11	-9	-9	-9	-9
	-7	-6	-3	-2	3	10

Verify that the Wilcoxon-Mann-Whitney test rejects at the 0.05 level, but none of the other methods in Section 8.8 reject. What might explain this?

Reference no: EM131397306

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