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Calculate mean deviation and its coeffic...

Calculate mean deviation and its coefficient from mean from the following data:

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Calculation of Mean Deviation from Mean

`barX=(sumfm)/(sumf)=(2,290)/(100)=22.9`
Mean Deviation from Mean
`MD_(barX)=(sumf|dbarx|)/(sumf)=(657.2)/(100)=6.572`
Coefficient of Mean Deviation
`=(MD_(barx))/(X)=(6.572)/(22.9)=0.287`
`MD_(barx)=6.572,CMD=0.287
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