8th Grade · Statistics & Probability
Two-Way Table
8.SP.A.4
Definition
A table that displays counts of data classified by two categorical variables, with inner cells showing combinations and margins showing row and column totals.
Examples
- Rows for 'Likes Dogs/Dislikes Dogs', columns for 'Likes Cats/Dislikes Cats'.
- Inner cells are joint counts; edges are marginal totals.
Key rule
A two-way table sorts data by two categorical variables at once.
Memory hook
Counts organized by two categories.