Uses of standard deviation - measure of dispersion, Operation Research

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Uses of Standard Deviation

a.tandard deviation is used widely in statistics unless there is some definite reason for not using it.

b.It is used when one needs a measure of greater stability.

c.Standard deviation plays a great role in sampling theory correlation and regression theory etc.

d.Standard deviation is regarded as best and most powerful measure of dispersion as mean of central tendency.

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