The Chi-square statistic allows us to determine whether the difference between the observed frequency distribution and the expected frequency distribution should be attributed to:
A) sampling variation.
B) population variation.
C) random variation.
D) systematic variation.

Question

Quizplus · Accepted Answer

The Chi-square statistic is used to test whether the observed frequency distribution differs significantly from the expected frequency distribution due to sampling variation, not due to any systematic, population, or random variation inherent to the process or population being studied.

The Chi-Square Statistic Allows Us to Determine Whether the Difference