\(\begin{array}{c|c} \text{Class Interval} & 1 - 5 & 6 - 10 & 11 - 15
MATHEMATICS
JAMB 1994
\(\begin{array}{c|c} \text{Class Interval} & 1 - 5 & 6 - 10 & 11 - 15 & 16 - 20 & 21 - 25 \\ \hline Frequency & 6 & 15 & 20 & 7 & 2\end{array}\)
Estimate the median of the frequency distribution above
- A. 10\(\frac{1}{2}\)
- B. 11\(\frac{1}{2}\)
- C. 12
- D. 13
Correct Answer: C. 12
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