Find the Mean for Each List of Numbers $57 \mathrm{~cm}$ B) $44.3 \mathrm{~cm}$

Multiple Choice

Find the mean for each list of numbers. Round the answer to the nearest tenth, if necessary.
-Length of chains in centimeters: 56, 39, 62, 47, 52, 61, 49, 33

A) $57 \mathrm{~cm}$
B) $44.3 \mathrm{~cm}$
C) $39.9 \mathrm{~cm}$
D) $49.9 \mathrm{~cm}$