The mean (average) of the numbers 12, 14, 16, and 18, is
(A) 30
(B) 60
(C) 17
(D) 13
(E) 15
The mean (average) of the numbers $12,14,16$, and 18 , is
(A) 30
(B) 60
(C) 17
(D) 13
(E) 15

## Solution

The mean of the given numbers is

$$
\frac{12+14+16+18}{4}=\frac{60}{4}=15
$$

ANswer: (E)