first moment

/fərst ˌmoʊmənt/
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Other forms: first moments

Definitions of first moment
  1. noun
    the sum of the values of a random variable divided by the number of values
    synonyms: arithmetic mean, expectation, expected value
    see moresee less
    type of:
    mean, mean value
    an average of n numbers computed by adding some function of the numbers and dividing by some function of n
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