World Ty-Clopedia Group

arithmetic mean, first moment, expectation, expected value (noun)

the sum of the values of a random variable divided by the number of values

  • Hypernyms

    • mean, mean value
      an average of n numbers computed by adding some function of the numbers and dividing by some function of n

  • Domain of Synset

    • statistics
      a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters

Arithmetic mean

In mathematics and statistics, the arithmetic mean of a list of numbers is the sum of all of the list divided by the number of items in the list.

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