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harmonic mean

noun

, Statistics.
  1. the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers.


harmonic mean

noun

  1. the reciprocal of the arithmetic mean of the reciprocals of a set of specified numbers: the harmonic mean of 2, 3, and 4 is 3( 1 2 + 1 3 + 1 4 ) –1= 3 6 13
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


harmonic mean

  1. The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers.


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Word History and Origins

Origin of harmonic mean1

First recorded in 1880–85

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harmonic intervalharmonic minor scale