When we carry out a chi-square test of independence,the null hypothesis states that the two relevant classifications:
A)Are mutually exclusive
B)Form a contingency table with r rows and c columns
C)Have (r-1)(c-1)degrees of freedom
D)Are statistically dependent
E)Are normally distributed

Question

Quizplus · Accepted Answer

The null hypothesis for a chi-square test of independence states that the two relevant classifications are statistically independent, which is the opposite of being statistically dependent. Therefore, choice D is the correct answer. A, B, C, and E are either unrelated to the null hypothesis or incorrect.

When We Carry Out a Chi-Square Test of Independence,the Null