Author Question: In a normal approximation to the Wilcoxon signed rank test, the test statistic is calculated as z = ... (Read 225 times)

madam-professor · **on:** Jun 24, 2018

In a normal approximation to the Wilcoxon signed rank test, the test statistic is calculated as z = 1.26. For a two-tail test, the p-value is:

A) 0.2076
B) 0.3962
C) 0.1238
D) 0.3974

Question 2

If either event A or event B must occur, they are called mutually exclusive.

Indicate whether the statement is true or false