A researcher is comparing three groups of the same size. The sample mean of the first group is 12, the sample mean of the second group is 14, and the sample mean of the third group is 16. If the Tukey q-test
Value for comparing group 1 with group 2 is 2.6, then the Tukey q-test value for comparing group 2 with
Group 3 will be:
A) 2.6
B) 5.2
C) 10.4
D) Cannot be determined with the information given

Question

Quizplus · Accepted Answer

The Tukey q-test value is based on the difference between group means and the standard error. Since the difference between group 2 and group 3 is the same as between group 1 and group 2 (both are 2 units), the Tukey q-test value will also be the same, 2.6.

A Researcher Is Comparing Three Groups of the Same Size