root mean square

(redirected from Quadratic mean)
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Related to Quadratic mean: root mean square, harmonic mean

root mean square

Maths the square root of the average of the squares of a set of numbers or quantities
References in periodicals archive ?
The quadratic mean diameter ( d q ) for the each plot based on the dbh of tree of average basal area was calculated as: The model forms were used to develop parameter estimates for the 433 trees using least-square regression and another data set 108 trees was used for model validation.
The expected quadratic means were calculated according to the biometrical model adopted as well as that of Cruz et al.
3] Wang Yang, On the quadratic mean value of the Smarandache dual function S**(n), Research on Number Theory and Smarandache Notions, Hexis, 2009, 109-115.
For the statistic processing the following indicators have been used: the weighted arithmetic mean, trust mean interval-- -95%- - + 95%, median, superior limit (X max), inferior limit (X min), quartiles are those values of the characteristic that divide the series in four equal parts, amplitude (W), dispersion, quadratic mean abnormality (S), variability coefficient (Cv).