In a Wilcoxon Signed Rank Sum Test,the Test Statistic Is

Multiple Choice

In a Wilcoxon signed rank sum test,the test statistic is calculated as T = 75.If there are n = 15 observations for which D≠ 0,and a two-tail test is performed at the 5% significance level,then:

A) reject the null hypothesis.
B) don't reject the null hypothesis.
C) the test results are inconclusive.
D) perform a parametric test.