first moment

Thesaurus

Noun

1.

first moment - the sum of the values of a random variable divided by the number of valuesarithmetic mean, expected value, expectationstatistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parametersmean, mean value - an average of n numbers computed by adding some function of the numbers and dividing by some function of n