| Class | 0 ? 5 | 5-10 | 10-15 | 15-20 | 20-25 |
| Frequency | 2 | 4 | 8 | 6 | 10 |
A) 15.5
B) 16.5
C) 14.5
D) 13.5
Correct Answer: A
Solution :
15.5
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