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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