Question
$\text{Cofficient of variation}=\frac{......}{\text{Mean}}\times100$

Answer

$\text{Cofficient of variation}=\frac{\text{SD}}{\text{Mean}}\times100$
Solution:
$\text{CV}=\frac{\text{SD}}{\text{Mean}}\times100$
Hence, the value of the filler is SD.

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