Author Question: Which of the following statements about multiple comparison methods is false? a. They are to be use ... (Read 87 times)

clmills979 · **on:** Jun 24, 2018

Which of the following statements about multiple comparison methods is false?
a. They are to be use once the F-test in ANOVA has been rejected.
b. They are used to determine which particular population means differ.
c. There are many different multiple comparison methods but all yield the same conclusions.
d. All of these choices are true.

Question 2

When the x control chart shows an increase in the standard deviation of the process, the result is referred to as:
a. a trend. c. a level shift.
b. a cycle. d. instability.