Author Question: In the finding the critical value for the Wilcoxon signed rank test, what does n represent? A) ... (Read 81 times)

asan beg · **on:** Jun 24, 2018

In the finding the critical value for the Wilcoxon signed rank test, what does n represent?

A) The number of observations in the sample
B) The number of pairs
C) The number of nonzero deviations
D) The number of positive ranks

Question 2

The General Electric service department believes that the median time for a service call should be 30 or fewer minutes. To test this, the following random sample of service times was collected:

Time
33
27
40
34
22
19
40
73
26

Given that the managers do not wish to make the assumption that the population is normally distributed, the appropriate statistical test for testing about service times is:
A) the t-test.
B) the Kruskal-Wallis test.
C) the Wilcoxon signed rank sum test.
D) the F-test.