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Find the standard deviation by using 20 as assumed mean. |
Answer» SOLUTION : Here `a=20` STANDARD DEVIATION `sigma=SQRT((sumf_(i)d_(i)^(2))/(sumf_(i))-((sumf_(i)d_(i))/(sumf_(i)))^(2))` `=sqrt(6525/37-(265/37)^(2))` `=sqrt(176.35-51.30)` `=sqrt(125.05)=11.18` |
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