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Data & Analytics · Foundational

Box Plot

A chart showing a distribution's median, quartiles (the box), whiskers and outliers; also called a box-and-whisker plot.

Definition

Box plots compare distributions across groups compactly. Whiskers typically extend to 1.5 × IQR, and points beyond them are plotted as outliers.

Exam tip

Comparing distributions across several groups = side-by-side box plots.

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