HyperDic: second_moment

English > 1 sense of the expression second moment:
NOUNcognitionsecond momentthe expected value of the square of the deviations of a random variable from the point of origin
English > second moment: 1 sense > noun 1, cognition
MeaningThe expected value of the square of the deviations of a random variable from the point of origin.
CategorystatisticsA branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
BroadermomentThe n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value

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