Describing the Distribution of a Quantitative Variable

AP Statistics· difficulty 2/5

The histogram displays the distribution of scores on a very easy quiz.

Histogram of Test Scores Score

Which best describes the shape of this distribution?

  • A

    Uniform

  • B

    Skewed right

  • C

    Skewed left

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  • D

    Approximately symmetric

Explanation

The tail extends toward smaller values on the left while most data piles up on the right — a left-skewed distribution.

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