The Table Below Lists the Populations, in Thousands, of Several

Multiple Choice

The table below lists the populations, in thousands, of several rural western counties. What is the mean population?

$\begin{array} { c c } \hline \text { County } & \text { Population (thousands) } \\\hline \text { Aldridge } & 28 \\\text { Cleveland } & 22 \\\text { McCarthy } & 11 \\\text { Pope } & 16 \\\text { Sorrell } & 26 \\\text { Wilson } & 21\end{array}$

A) 17 thousand
B) 20.7 thousand
C) 21.5 thousand
D) 19.5 thousand