General Discussions

Harmonic Mean

Harmonic mean is expressed as the reciprocal of the arithmetic mean of the reciprocals of the given set of observations.

Example: Harmonic Mean of numbers 1, 5, 9 is given by:

 h-mean
= 3 / 1.31
= 2.29

The generic formula for Harmonic mean of positive real numbers is give by:

h-mean-geenric

Harmonic mean of two numbers X and Y is given by:
H = 2XY /  (X + Y)

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