| Age in years |
10 - 14 |
15 - 19 |
20 - 24 |
25 - 29 |
30 - 34 |
| Frequency |
6 |
8 |
14 |
10 |
12 |
What is the class mark of the median class?
\(\text{Total frequency} = 50\)
Median occurs at \(\frac{50}{2} = \text{25th position}\)
= Class 20 - 24 with classmark \(\frac{20 + 24}{2} = 22\)