A chi-square goodness-of-fit test is always conducted as:
A) a left-tail test.
B) a right-tail test.
C) a two-tail test.
D) the answer depends of whether the hypothesis is directional or nondirectional.

Question

Quizplus · Accepted Answer

Chi-square goodness-of-fit tests are always conducted as right-tail tests because the chi-square statistic is always positive, and we are often testing whether the observed frequencies are significantly greater than what would be expected under the null hypothesis.

A Chi-Square Goodness-Of-Fit Test Is Always Conducted As