A two-way table sorts data by two categories at once, with one across the top and one down the side. Reading the row and column totals against the cell counts is how you spot an association between the two.
Math Dictionary / Two-Way Table
Two-Way Table
A two-way table organizes categorical data using rows and columns.
StatisticsGrade 8Algebra 1GEDSATACT
What it means
It helps compare two categories at the same time.
Also called: contingency table
Examples
| Rows can show grade level and columns can show activity choice |
| Inside cells show joint frequencies |
| Totals appear on the margins |
Common mistake
Use the inside cell for a joint frequency, not the row or column total.
Try one
Question: Where are joint frequencies usually found in a two-way table?
Show answer
Inside the table cells.