Author Question: If the test statistic for the Wilcoxon rank-sum test is between the upper and lower critical values, ... (Read 149 times)

maegan_martin · **on:** Jun 24, 2018

If the test statistic for the Wilcoxon rank-sum test is between the upper and lower critical values, the null hypothesis is rejected.

Indicate whether the statement is true or false

Question 2

An NCAA study reported that the average salary of the 300 major college football coaches is 1.47 million.

Using a random sample of 30 coaches and a population standard deviation of 300,000, what is the probability that the sample mean is between 1.4 million and 1.5 million per year?A) 0.6829
B) 0.7754
C) 0.8660
D) 0.9159