Following Are Heights, in Inches, for a Sample of College

Multiple Choice

Following are heights, in inches, for a sample of college basketball players.
$\begin{array} { l l l l l l l l l l } \hline 78 & 83 & 82 & 78 & 78 & 80 & 81 & 79 & 79 & 83 \\77 & 78 & 84 & 82 & 80 & 80 & 82 & 84 & 78 & 80 \\\hline\end{array}$
Find the mean height of the basketball players.

A) 70 inches
B) 80.5 inches
C) 4.6 inches
D) 80.3 inches