The mean of the following freq. table is 50 and
\( \Sigma \mathrm{f}=120 \)
\begin{tabular}{|l|l....
The mean of the following freq. table is 50 and
\( \mathrm{P} \)
\( \Sigma \mathrm{f}=120 \)
W
\begin{tabular}{|l|l|l|l|l|l|}
\hline Class & \( 0-20 \) & \( 20-40 \) & \( 40-60 \) & \( 60-80 \) & \( 80-100 \) \\
\hline\( f \) & 17 & \( f_{1} \) & 32 & \( f_{2} \) & 19 \\
\hline
\end{tabular}
Then the missing frequencies are
(1) 28,24
(2) 24,36
(3) 36,28
(4) None of these
.
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