standard deviation statistics jee main notes

Sujoy Das

3 days ago 0 0

o take a proper measure of dispersion, we have to calculate the standard deviation by taking the square root of the variance. This measure often prevents above-average deviations from cancelling those below, which can sometimes contribute to a null variance. If the variance is great, then the standard deviation will be more, and for lesser variance, the opposite case occurs.

The standard deviation indicates a “typical” deviation from the mean

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