06024761-n 'the expected value of the square of the deviations of a random variable from the point of origin';
 
汉语 二 阶矩 , 二 次 矩 , 二 级 动差 , 二级动差 , 二次矩 , 二阶矩
英语 second moment 3
日语 二次モーメント
Definitions
英语
the expected value of the square of the deviations of a random variable from the point of origin
日语
起点からの無作為変数の偏差二乗の期待値
Relations
Hypernym: moment
Domain–Category: statistics
Semantic Field: cognitionn
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