The nonparametric counterpart to the two-sample t-test with independent samples is the:
a. Wilcoxon signed rank test for paired samples.
b. Wilcoxon rank sum test.
c. Wilcoxon signed rank test for one sample.
d. Friedman test for randomized block design.
e. Kruskal-Wallis test.
Question 2
In a Wilcoxon signed rank test for matched pairs, the test statistic is calculated as W = 48 . The alternative hypothesis is H1: md > 0 . If there are n = 10 nonzero differences, and the 5 significance level is used, then the:
a. the null hypothesis will be rejected.
b. the null hypothesis will not be rejected.
c. the test results are inconclusive.
d. the t-test for matched pairs must be used.