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Range and mean deviation - class-X
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Coefficient of deviation is calculated by the formula:
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A
$\cfrac { \sigma } {\bar { X }} \times 100$
💡 Explanation:
It is a fundamental concept.
coefficient of deviation $=\cfrac{\sigma}{\bar{x}}\times 100$
where $\sigma$ and $\bar{x}$ are standard deviation and mean respectively.