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The standard deviation is B. the square root of the variance.
What is standard deviation?
The term standard deviation refers to a measurement of the dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.
Variability is measured by the variance. The average of the squared deviations from the mean is used to calculate it. The degree of spread in your data set is indicated by variance. The variance is greater in respect to the mean when the data are more dispersed.
The standard deviation is the square root of the variance.
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