Measures of Central Tendency and Dispersion

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Question : 118 of 211

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Coefficient of quartile deviation is given by the formula:

$\;{Q_{3}-Q_{1}}/{Q_{1}-Q_{3}}$
$\;{Q_{3}+Q_{1}}/{Q_{1}-Q_{3}}$
$\;{Q_{3}-Q_{1}}/{Q_{3}+Q_{1}}$
$\;{ {Q}_{3}+ {Q}_{1}}/{ {Q}_{3}- {Q}_{1}}$

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