NAC459.418. “Coefficient of variation” defined.

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“Coefficient of variation,” abbreviated as “C,” means the ratio of the standard deviation to the mean value of a population of observations. It is estimated using the following equation:

C (Coefficient of Variation) =

     where

s    =   Estimated standard deviation of the population.

     = Mean value of observations in sample.

X_i =   _ith observation in sample.

n   =   Number of observations in sample.

[Bd. of Health, Radiation Control Reg. § 6.2.9, eff. 2-28-80]—(NAC A by R084-98, 1-26-99)

                    
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