| Class interval | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 |
| Frequency | 14 | 22 | 16 | 6 | 5 | 3 | 4 |
A) 38.46
B) 36.36
C) 48.56
D) 99.95
E) None of these
Correct Answer: B
Solution :
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