Contingency tables are used in:
A)testing independence of two samples.
B)testing dependence in matched pairs.
C)testing independence of two qualitative variables in a population.
D)describing a single population.

Question

Quizplus · Accepted Answer

Contingency tables are used to study the relationship between two categorical variables by showing the frequencies or relative frequencies of each combination of categories. This is useful when trying to test for independence of two qualitative variables in a population. Therefore, choice C is the correct answer.

Contingency Tables Are Used In