When the null hypothesis in the chi square test for independence is true, there should be________.
A) large difference between the observed frequencies and the expected frequencies.
B) little difference between the observed frequencies and the expected frequencies.
C) no difference between the observed frequencies and the marginals.
D) no difference between the row and the column marginals.

Question

Quizplus · Accepted Answer

When the null hypothesis in the chi square test for independence is true, it implies that there is no association between the variables being tested. Therefore, the observed frequencies should closely match the expected frequencies, indicating little difference between them.

When the Null Hypothesis in the Chi Square Test for Independence