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Find out quartile deviation from the fol...

Find out quartile deviation from the following distribution .

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`Q = (Q_(3) - Q_(1))/(2)`
`Q_(3) = 70*83`
`Q_(1) = 34*38`
` Q = (70*83 - 34*38)/(2) = (36*45)/(2) = 18*225` marks
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