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mean
(redirected from harmonic mean)

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Encyclopedia, Wikipedia 0.01 sec.


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Quadratic equations with real coefficients, relations between roots and coefficients, formation of quadratic equations with given roots, symmetric functions of roots, Arithmetic, geometric and harmonic progressions, arithmetic, geometric and harmonic means, sums of finite arithmetic and geometric progressions, infinite geometric series, sums of squares and cubes of the first n natural numbers.
F value: the harmonic mean of the recall ratio and the precision ratio (the ratio of correct answers included in theextracted data); in this index, a higher value indicates greater utility.
 
 
 
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