In order to perform the ________________ test,all of the observations in p samples are combined into a single set and all of the values in the single set are ranked from smallest to largest.After ranking,the sum of the ranks for each of the p samples is calculated.
A)Wilcoxon rank sum
B)Kruskal-Wallis
C)Wilcoxon signed rank
D)Sign

Question

Quizplus · Accepted Answer

The description given matches with the Kruskal-Wallis test, which is used to test the equality of medians for more than two independent groups. The Wilcoxon rank sum test (A) is used for two-group comparison and the Wilcoxon signed-rank test (C) is used for paired samples. The sign test (D) is also used for two-group comparison, but it does not involve ranking the data.

In Order to Perform the ________________ Test,all of the Observations