Quadratic Mean

By Kardi Teknomo, PhD.

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Quadratic mean is useful indicator of many performance measurements. It is a square root of average of sum of square.

Other name: root mean sum of square or root mean square (RMS)

Formula:

Example:

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See also: Generalized Mean, Arithmetic mean, Geometric Mean
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Teknomo, Kardi. Mean and Average. http:\\people.revoledu.com\kardi\ tutorial\BasicMath\Average\