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Multiple bar charts

A variation on the simple bar chart is the multiple bar chart, one of the ugliest graphs known to science. The difference between the multiple bar chart and the regular bar chart is (unsurprisingly) the number of bars.

The idea of a multiple bar chart is to compare similar information in two different scenarios – a school’s inspection rankings in two different years, the distribution of ages of the populations of two different cities or the difference between students’ mock and actual exam scores.

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