Home · Unit 2 · Topic 5 · Comparing data for a single numerical variable across two or more groups

Comparing data for a single numerical variable across two or more groups

Construct and use parallel box plots, including identifying possible outliers, to compare datasets in terms of median, spread (range and IQR) and outliers to interpret and communicate the differences observed in the context of the data.

gm-u2-t5-s1-d1

Interactive

Compare groups with box plots

manipulative

Drag or scrub both groups’ whiskers, quartiles, and median — toggle fence outliers and compare on a shared scale.

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Want a different take?

Already have one and want another angle on this point? Describe what students should notice. Requests are read and acted on.