Ten Common Graphs and Data Tables on Numeracy Tests

Two-way tables

The idea of a two-way table is to show the numbers of observations split across two separate categories and (importantly) the totals of each.

You can see that the bottom number in each column (in the row marked ‘total’) is the sum of the numbers above it, and the last number in each row (in the column marked ‘total’) is the sum of the numbers to its left.

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