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Harmonic mean

Harmonic mean

WordNet



noun


(1)   The mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers
Wiktonary



Noun



  1. A type of measure of central tendency calculated as the reciprocal of the mean of the reciprocals, ie, H = { n \over {1 \over x_1} + {1 \over x_2} + \cdots {1 \over x_n} }

See also