A chi-square goodness-of-fit test is always conducted as:
A) a lower-tail test
B) an upper-tail test
C) a two-tail test
D) either a lower tail or upper tail test

Question

Quizplus · Accepted Answer

A chi-square goodness-of-fit test is always conducted as an upper-tail test because the test statistic is always positive, and we are often testing for a deviation from the expected frequencies, which is represented in the upper tail of the chi-square distribution.

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