The null hypothesis for the previous example which used a chi-square is
A) men and women do not differ on computer science lab report scores.
B) cats and dogs eat the same number of meals.
C) political affiliation and voting behavior on drunk driving are independent variables.
D) children and adults do not show different deviations in visual acuity.

Question

Quizplus · Accepted Answer

The correct answer is C because the chi-square test is used to determine if there is a significant association between two categorical variables. In this case, "political affiliation" and "voting behavior on drunk driving" are the two categorical variables being tested for independence.

The Null Hypothesis for the Previous Example Which Used a Chi-Square