Calculate the missing freqency \( a \) form the following distribution, it is being given that... VIDEO
Calculate the missing freqency \( a \) form the following distribution, it is being given that the median of the distribution is 24 .
\begin{tabular}{|l|c|c|c|c|c|}
\hline No. of balls & \( 0-10 \) & \( 10-20 \) & \( 20-30 \) & \( 30-40 \) & \( 40-50 \) \\
\hline \( \begin{array}{l}\text { No. of } \\
\text { children }\end{array} \) & 5 & 25 & \( \mathrm{a} \) & 18 & 7 \\
\hline
\end{tabular}
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