Standard Deviation (S.D.): Definition and Formula
The square root of the average of squared deviations taken from the actual mean is used to determine the standard deviation. It’s also referred to as the root mean square deviation. […]
The square root of the average of squared deviations taken from the actual mean is used to determine the standard deviation. It’s also referred to as the root mean square deviation. […]
The square of standard deviation i.e. σ² is called ‘variance’ in statistics. The variance is the average of the squared differences … […]
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