Comparing Distributions of a Quantitative Variable

AP Statistics· difficulty 4/5

Heights of two groups G1 and G2 are shown by side-by-side boxplots.

Heights (cm) G1 G2

Which best describes the comparison?

  • A

    G2 has higher center; both have similar spread

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  • B

    G2 has lower center and more outliers

  • C

    G1 has higher center; G2 has more spread

  • D

    Identical distributions

Explanation

G2's median is to the right (higher) than G1's, and the IQRs (box lengths) and ranges look similar.

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