Box and Whisker Plots

A box and whisker plot or diagram, is a graph summarising a set of data. The shape of the boxplot shows how the data is distributed and it also shows any outliers. It is a useful way to compare different sets of data as you can draw more than one boxplot per graph.

Min and Max

The lowest and largest amount in a given set of data.

Lower Quartile

The median of the set of data heading to the left side of the median.

Median

The middle amount of a given set of data.

Upper Quartile

The median of the set of data heading to the right side of the median.

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