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Quiz

1 of 10

Which of the following choices describes the purpose of the Mann–Whitney U test and the independent-samples t test?

a. Look for statistical evidence that Modes of the sampled populations are significantly different.

b. Determine if there is statistical evidence supporting the idea of equal variances.

c. Examine both samples for equality of standard deviations.

d. Look for statistical evidence that the sampled populations are significantly different.

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