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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics
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Q)

If the coefficient of variation of a distribution is 45% and the mean is 12 then its standard deviation is

$\begin {array} {1 1} (A)\;5.2 & \quad (B)\;5.3 \\ (C)\;5.4 & \quad (D)\;None\; of \: these \end {array}$

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