When the Marginal Frequencies for Both Variables Under Study Are

question 81

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