Using the Following Sampling Distribution, Directly Recalculate the Mean and Standard

Essay

Using the following sampling distribution, directly recalculate the mean and standard deviation of $\bar { X }$ . $$\begin{array} { | c | c | c | c | c | c | } \hline \bar { x } & 1.5 & 2.0 & 2.5 & 3.0 & 3.5 \\\hline p ( \bar { x } ) & 1 / 6 & 1 / 6 & 1 / 6 & 1 / 6 & 1 / 6 \\\hline\end{array}$$