The following are the ages in years of a group of students in a particular school.
$$\begin{matrix}10&12&15&10&13\\14&10&11&12&10\\11&14&10&15&13 \\ \end{matrix}$$
How many students are of a minimum of 11 years in the group?

• A.2
• B.5
• C.4
• D.10
• E.12