standard deviation
Statistical index of the degree of deviation from central tendency, namely, of the variability within a distribution; the square root of the average of the squared deviation’s from the mean.
A measure of dispersion or variation used to describe a characteristic of a frequency distribution.
The degree of variation in a sample from the mean value.
standard deviation Statistical index of the degree of deviation from central tendency, namely, of the variability within a distribution; the square root of the average of the squared deviation’s from the mean. A measure of dispersion or variation used to describe a characteristic of a frequency distribution. The degree of variation in a sample from..
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