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root mean square

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root mean square
n. Statistics
The square root of the average of the squares of a set of numbers.

root mean square
n
(Mathematics) the square root of the average of the squares of a set of numbers or quantities the root mean square of 1, 2, and 4 is √[(12 + 22 + 42)/3] = √7 Abbreviation rms


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95 indicate acceptable and excellent fit, respectively; the root mean square error of approximation (RMSEA); and the root mean square residual (RMR), where values below .
A model, developed using the partial least squares regression statistical method, predicted whey fat content with a root mean square error of cross-validation of 0.
Power or Heat) = (Current) ^2 * (Resistance) If the current is continuously changing, as in AC current, the heat produced is proportional to the average (or mean) of the square of the current applied to a resistance: (Power or Heat) = Average [ (Current) ^2 * (Resistance) ] Using algebra, the above formula can be rewritten to read: Current = Square Root [ (Power or Heat) / (Resistance) ] AND this is called the Root Mean Square Current or RMS Current.
 
 
 
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