For a given distribution of marks mean is $35.16$ and its standard deviation is $19.76$. The co-efficient of variation is..
For a given distribution of marks mean is $35.16$ and its standard deviation is $19.76$. The co-efficient of variation is..
- A
$\frac{{35.16}}{{19.76}}$
- B
$\frac{{19.76}}{{35.16}}$
- C
$\frac{{35.16}}{{19.76}} \times 100$
- D
$\frac{{19.76}}{{35.16}} \times 100$
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$\begin{array}{|l|l|l|l|l|l|l|} \hline X & 2 & 3 & 4 & 5 & 6 & 7 \\ f & 4 & 9 & 16 & 14 & 11 & 6 \\ \hline \end{array}$
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$\begin{array}{|l|l|l|l|l|l|l|} \hline X & 2 & 3 & 4 & 5 & 6 & 7 \\ f & 4 & 9 & 16 & 14 & 11 & 6 \\ \hline \end{array}$
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