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) $14.7 \mathrm{~m}$

Question

Quizplus · Accepted Answer

To find the mean, add all the numbers together and divide by the number of numbers: $ (16 + 19 + 21 + 15 + 22 + 17 + 16 + 21) / 8 = 147 / 8 = 18.375 $. Rounded to the nearest tenth, the mean is $18.4 \mathrm{~m}$.

Find the Mean for Each List of Numbers 16,19,21,15,22,17,16,2116,19,21,15,22,17,16,2116,19,21,15,22,17,16,21 A) 21 m21 \mathrm{~m}21 m

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