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root mean square

root mean square definition

root mean square

Statistics the value of a quantity or the effective value of a periodic quantity, as a current, equal to the square root of the average (arithmetic mean) of the squares of a set of values

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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root mean square

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