What Is the Median of the Following Set of Twelve $\quad$

Multiple Choice

What is the median of the following set of twelve grades?
55 $\quad$ 60 $\quad$ 62 $\quad$ 67 $\quad$ 70 $\quad$ 72 $\quad$ 75 $\quad$ 76 $\quad$ 77 $\quad$ 85 $\quad$ 95

A) Since these are interval-ratio scores,the median cannot be found.
B) 72
C) 73
D) 74