The mean deviation of the following data about its mean is \begin{array}{|l|l|l|l|l|l|} \hlinex_i & 5 & 15 &…
The mean deviation of the following data about its mean is
\begin{array}{|l|l|l|l|l|l|}
\hlinex_i & 5 & 15 & 25 & 35 & 45 \\
\hlinef_i & 8 & 48 & 56 & 32 & 16 \\
\hline
\end{array}