The two-way is a test of
A)goodness of fit of observed frequencies to population frequencies.
B)difference between mean ranks in two categories.
C)whether two variables are independent.
D)difference between mean ranks in more than two categories.

Question

The two-way  is a test of
A)goodness of fit of observed frequencies to population frequencies. 
B)difference between mean ranks in two categories. 
C)whether two variables are independent. 
D)difference between mean ranks in more than two categories.

Quizplus · Accepted Answer

The two-way 11eaab01_aba1_66eb_acdb_df61f4749bef_TB4035_11 is a test of independence between two variables. It tests whether the observed frequencies in each category of one variable are independent of the categories of the other variable. Choice A is for a chi-square test of goodness of fit, which tests whether the observed frequencies fit a known population distribution. Choice B is for a Mann-Whitney U test, which tests for differences between mean ranks in two groups. Choice D is for a Kruskal-Wallis test, which tests for differences between mean ranks in more than two groups.

The Two-Way Is a Test of