Calculate the coefficient of variation from the following data :
\begin{tabular}{|c|c|}
\hline I...
Calculate the coefficient of variation from the following data :
\begin{tabular}{|c|c|}
\hline Income \( (₹) \) & Number of families \\
\hline \( 1000-1700 \) & 12 \\
\( 1700-2400 \) & 18 \\
\( 2400-3100 \) & 20 \\
\( 3100-3800 \) & 25 \\
\( 3800-4500 \) & 35 \\
\( 4500-5200 \) & 10 \\
\hline
\end{tabular}
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