geometric mean

Noun
  1. The mean of n numbers expressed as the n-th root of their product (synset 106033839)
    referred to in: 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
    is a 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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