| Noun | 1. | mean value - an average of n numbers computed by adding some function of the numbers and dividing by some function of n 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 average, norm - a statistic describing the location of a distribution; "it set the norm for American homes" arithmetic mean, expected value, first moment, expectation - the sum of the values of a random variable divided by the number of values geometric mean - the mean of n numbers expressed as the n-th root of their product harmonic mean - the mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers |