Which of the following is actually a test of whether there is an interaction between two variables?
A) for goodness of fit
B) for independence
C) for homogeneity of variance
D) for differences between independent means

Question

Which of the following is actually a test of whether there is an interaction between two variables?
A) for goodness of fit 
B) for independence 
C) for homogeneity of variance 
D) for differences between independent means

Quizplus · Accepted Answer

The test of independence (option B) is actually a test of whether there is an interaction between two variables. It checks whether the relationship between the two variables is the same for all categories of a third variable. The other options - goodness of fit, homogeneity of variance, and differences between independent means - do not address interaction between variables.

Which of the Following Is Actually a Test of Whether