In chi-square analysis, the numbers that best reflects the null hypothesis are the:
A) column totals.
B) row totals.
C) observed frequencies.
D) expected frequencies.

Question

Quizplus · Accepted Answer

In chi-square analysis, the null hypothesis assumes that there is no significant difference between the observed frequencies and the expected frequencies. Therefore, the numbers that best reflect the null hypothesis are the expected frequencies. The column and row totals are simply sums and do not provide information about the expected values. The observed frequencies are the actual values that were observed in the data, and these may or may not align with the expectations under the null hypothesis.

In Chi-Square Analysis, the Numbers That Best Reflects the Null