Summary Statistics for a Quantitative Variable

AP Statistics· difficulty 3/5

For a strongly skewed distribution, the better summary is

  • A

    z-score

  • B

    Median and IQR

    check_circle
  • C

    Mode and range

  • D

    Mean and SD

Explanation

Median/IQR are resistant; mean/SD are misleading under heavy skew.

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