The Primary Difference Between the Null Hypothesis of the Two-Sample

question 18

Multiple Choice

The primary difference between the null hypothesis of the two-sample t test and the corresponding nonparametric Wilcoxon rank sum test is:

• A)the Wilcoxon test presumes equality between the medians of the two samples.
• B)the Wilcoxon test presumes equality between the means of the two samples.
• C)the Wilcoxon test presumes equality between the medians of the two populations.
• D)the Wilcoxon test presumes equality between the means of the two populations.