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Calculate the mean deviation about the m...

Calculate the mean deviation about the mean for the following freuency distribution

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The correct Answer is:
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`therefore Mean =(Sigma f_(i)x_(i))/(Sigmaf_(i))=(230)/(25)=9.2`
and mean deviation =`(Sigmaf_(i)x_(i))/(Sigmaf_(i))=(96)/(25)=3.84`
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Knowledge Check

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    A
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    B
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    C
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    D
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