Find the Mean for Each List of Numbers $16,19,21,15,22,17,16,21$ A) $21 \mathrm{~m}$

Multiple Choice

Find the mean for each list of numbers. Round the answer to the nearest tenth, if necessary.
-Heights of trees, in meters: $16,19,21,15,22,17,16,21$

A) $21 \mathrm{~m}$
B) $18.4 \mathrm{~m}$
C) $16.3 \mathrm{~m}$
D) $14.7 \mathrm{~m}$