What Is the Idea Behind the Chi-Square Test for Independence

Multiple Choice

What is the idea behind the chi-square test for independence?

A) To compare the quantile-quantile (Q-Q) plot with what would be expected under independence
B) To compare the actual counts in a contingency table with what would be expected under independence
C) To compare the cumulative distribution with what would be expected under independence
D) To compare the normal distribution with a chi-squared distribution