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The standard deviation of the test scores was surprisingly low, indicating most students performed close to the mean.
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The standard deviation of the test scores was surprisingly low, indicating most students performed close to the mean.
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Related words
standard deviation
Noun
Japanese Meaning
統計学において、データのばらつき（散らばり具合）を示す尺度。平均値からの偏差の二乗平均の平方根として定義され、データが平均を中心にどの程度広がっているかを表す。
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