Central Tendencymedium
0:00.0
A discrete probability distribution has the following values and frequencies, where represents a missing frequency:
\hline
\text{Value (x)} & \text{Frequency (f)} \\
\hline
10 & 5 \\
20 & y \\
30 & 8 \\
40 & 4 \\
\hline
\end{array}$$
If the mean of the distribution is $25$, which of the following statements is/are correct?
A discrete probability distribution has the following values and frequencies, where represents a missing frequency:
\hline \text{Value (x)} & \text{Frequency (f)} \\ \hline 10 & 5 \\ 20 & y \\ 30 & 8 \\ 40 & 4 \\ \hline \end{array}$$ If the mean of the distribution is $25$, which of the following statements is/are correct?