A Population That Consists of 250 Items Has a Mean

Short Answer

A population that consists of 250 items has a mean of 37 and a standard deviation of 13. A sample of size 5 is taken at random from this population. The standard error of the sample mean equals (up to three decimal places): $$\begin{array} { | l | l | } \hline \text { A. } & 1.838 . \\\hline \text { B. } & 1.648 . \\\hline \text { C. } & 0.822 \\\hline \text { D. } & 2.715 . \\\hline\end{array}$$