Contraharmonic mean

English

Etymology

The contraharmonic mean of two variables is at the same distance from their arithmetic mean as their harmonic mean but on the opposite side.

Noun

1. Template:Lb A type of average calculated as the arithmetic mean of the squares of the values divided by the arithmetic mean of the values, i.e. $C=\frac{\frac{(x_1^2+x_2^2+...+x_n^2)}{n}}{\frac{(x_1+x_2+...+x_n)}{n}}orC(x_1,x_2,...,x_n)=\frac{x_1^2+x_2^2+...+x_n^2}{x_1+x_2+...+x_n}$

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Translations

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• Serbo-Croatian: Template:T

See also

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References

• Means, Meaning, and Music: Pythagoras, Archytas, and Plato by Scott Makeig, §The Tetractus of Means

Further reading

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