When the Marginal Frequencies for Both Variables Under Study Are

Multiple Choice

When the marginal frequencies for both variables under study are random,the chi-square test of _____ is used,and when the marginal frequencies are random for one variable and fixed for the other,the chi-square test of _____ is used.

A) independence;heterogeneity
B) heterogeneity;dependence
C) independence;homogeneity
D) homogeneity;independence