Geometric mean
WordNet

noun


(1)   The mean of n numbers expressed as the n-th root of their product
WiktionaryText

Noun



  1. A measure of central tendency of a set of n values computed by extracting the nth root of the product of the values.
    The geometric mean of 2, 4 and 1 is \sqrt[3]{2 \times 4 \times 1} = 2
 
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