2. A city is having a clean-up day for the
25 parks in the city. The list below shows the ages of volunteers participating in the clean-up project at one of the parks.
17, 18, 15, 16, 24, 20, 16
Which is a reasonable prediction of the mean age of all che participants in the clean-up project?
A. 16 years old
B. 17 years old
C. 18 years old
D. 19 years old