Re: how to "Harmonic Mean" manual

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Per Jessen wrote:

> I don't think you need to know much about statistics - AFAIK, the
> harmonic mean of a group of numbers is simply the reciprocal of
> the 'normal' mean:
> 
> harmonic_mean(3,4,5,6) = 1/mean(3,4,5,6)

Ignore that. 


/Per Jessen, Zürich

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