\(\begin{array}{c|c} \text{Class Interval} & 1 - 5 & 6 - 10 & 11 - 15 & 16 - 20 & 21 - 25 \\ \hline Frequency & 6 & 15 & 20 & 7 & 2\end{array}\)
Estimate the median of the frequency distribution above

• A.10\(\frac{1}{2}\)
• B.11\(\frac{1}{2}\)
• C.12
• D.13
• E.