Describing the Distribution of a Quantitative Variable

AP Statistics· difficulty 3/5

A researcher recorded heights of all members of a mixed-gender adult fitness class.

Histogram

Which feature of this distribution is most prominent?

  • A

    It is uniform

  • B

    It is approximately normal

  • C

    It is bimodal (two peaks)

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  • D

    It is right-skewed

Explanation

Two clear peaks appear, suggesting a bimodal distribution — often arising when two subgroups are combined.

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