Author Question: A professor of statistics in Michigan State University wants to determine whether the average ... (Read 78 times)

futuristic · **on:** Jul 24, 2018

A professor of statistics in Michigan State University wants to determine whether the average starting salaries among graduates of the 15 universities in Michigan are equal. A sample of 25 recent graduates from each university was randomly taken. The appropriate critical value for the ANOVA test is obtained from the F-distribution with degrees of freedom and is equal to:
a. 15 and 25
b. 14 and 360
c. 360 and 14
d. 25 and 15
e. 25 and 10

Question 2

For which of the following departures from the conditions required for a completely randomized design is the procedure not considered robust?
a. The populations are not normally distributed.
b. The population variances are not equal.
c. The samples are not independent.
d. All of these.
e. None of these.