Problem 9 (1 point) Identify the correct type of data that would result in the n

Question

Problem 9 (1 point) Identify the correct type of data that would result in the need to run the given s the situations that apply. Mann-Whitney Test (Wilcoxon Sum Rank) A. Variance is unequal for both given samples B. The Paired differences are not normal C. At least one Sample is non-normal, and sample sizes are smaller than 25 D. The Paired differences are normal E. Both samples come from different subjects F Variance is equal for both given samples G.Both samples are normally distributed, or both samples are larger then 24 H. Both samples come from same subjects

Explanation / Answer

For Wilcoxon rank test, we must assume that the two samples are independent and have equal variances. However, we do not need to know the distributional assumption for this test. If we assume normal distribution with a large sample size then we are better off doing the two sample t test instead of this test. Also, this is a non parametric test.

So, options are B, E and F

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