Statistics and Probability Dictionary

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Contingency Table

Dance Sports TV Total
Men 2 10 8 20
Women 16 6 8 30
Total 18 16 16 50

A two-way table (also called a contingency table) is a useful tool for examining relationships between categorical variables. The entries in the cells of a two-way table can be frequency counts or relative frequencies (just like a one-way table ).

To the right, the two-way table shows the favorite leisure activities for 50 adults - 20 men and 30 women. Because entries in the table are frequency counts, the table is a frequency table .

See also:   AP Statistics Tutorial: Exploring Categorical Data