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Summary Statistics for a Quantitative Variable

AP Statistics· difficulty 3/5

The histogram shows household incomes, which are heavily right-skewed.

Right-Skewed Income Histogram

Which pair of statistics best describes this distribution?

  • A

    Mean and standard deviation

  • B

    Median and IQR

    check_circle
  • C

    Mean and IQR

  • D

    Range and mode

Explanation

For skewed distributions, prefer resistant measures: median for center, IQR for spread.

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