6 Find the mode of the following distribution.
\begin{tabular}{|c|c|c|c|c|c|c|c|}
\hline Class & \( 0-4 \) & \( 4-8 \) & \( 8-12 \) & \( 12-16 \) & \( 16-20 \) & \( 20-24 \) & \( 24-28 \) \\
\hline Frequency & 6 & 7 & 9 & 17 & 12 & 11 & 8 \\
\hline
\end{tabular}
SECTION B
7. The median of the following data is 36 . Find the missing frequency \( x \) and \( y \), If the sum of all frequencies is 100 .
\begin{tabular}{|c|c|c|c|c|c|c|}
\hline Marks & \( 0-10 \) & \( 10-20 \) & \( 20-30 \) & \( 30-40 \) & \( 40-50 \) & \( 50-60 \) \\
\hline No. of students & 10 & \( x \) & 25 & 20 & \( y \) & 10 \\
\hline
\end{tabular}
