Harmonic Mean

By Kardi Teknomo, PhD.

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Harmonic mean is the reciprocal of arithmetic mean of reciprocal.

Formula:

All data must be positive

Example:

See also: Minskowski mean, Lehmer mean, Phillips Generalized Mean

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Preferable reference for this tutorial is

Teknomo, Kardi. Mean and Average. http:\\people.revoledu.com\kardi\ tutorial\BasicMath\Average\