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Summary Statistics for a Quantitative Variable

AP Statistics· difficulty 3/5

Sample variance s² is the

  • A

    Difference of max and min squared

  • B

    Mean of absolute deviations

  • C

    Square of the range

  • D

    Sum of (x − x̄)² divided by n−1

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Explanation

s² = Σ(x_i − x̄)² / (n−1).

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