Find the Mean
-The Normal Monthly Precipitation (In Inches) for August

Find the mean
-The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data. Round to the nearest hundredth.
$\begin{array}{llllll}3.5 & 1.6 & 2.4 & 3.7 & 4.1\end{array}$
$\begin{array}{llllll}3.9 & 1.0 & 3.6 & 4.2 & 3.4\end{array}$
$\begin{array}{lllll}3.7 & 2.2 & 1.5 & 4.2 & 3.4\end{array}$
$\begin{array}{lllll}2.7 & 0.4 & 3.7 & 2.0 & 3.6\end{array}$

A) 3.27 in.
B) $3.09 \mathrm{in}$ .
C) 2.80 in.
D) 2.94 in.