The approximate power for the chi-square test for independence in a study with a predicated medium effect size and sample size of 100 (df total = 3)would be:
A) .12
B) .77
C) .21
D) .71

Question

Quizplus · Accepted Answer

According to statistical tables, the approximate power for a chi-square test for independence with a medium effect size (phi = 0.3) and 3 degrees of freedom (df total = 3) and sample size of 100 is 0.71. Therefore, the correct answer is D.

The Approximate Power for the Chi-Square Test for Independence in a Study