(Use the Following One-Way Tabulation to Answer the Next Three $\quad$

(Use the following one-way tabulation to answer the next three questions.)
Value $\quad$ Frequency
1 $\quad \quad$ 12
2 $\quad \quad$ 15
3 $\quad \quad$ 8
4 $\quad \quad$ 7
-What is the mean of the distribution for this variable?

A) 10.50
B) 2.00
C) 2.24
D) 2.50
E) none of the above