Solve the Problem $19,8,16,14,18,8$ , and 25 Miles Per Gallon, Respectively $14 \mathrm { mpg }$

Solve the problem.
-The Wellspring Company has a fleet of seven trucks which get gas mileages of $19,8,16,14,18,8$ , and 25 miles per gallon, respectively. What is the mean gas mileage for the fleet? Round your answer to the nearest mpg.

A) $14 \mathrm { mpg }$
B) $18 \mathrm { mpg }$
C) $16 \mathrm { mpg }$
D) $15 \mathrm { mpg }$