| Grades | Tally bars | Frequency |
| A | II | 2 |
| B | IIII | 4 |
| C | III | 3 |
| D | III | 3 |
| E | II | 2 |
| F | III | 3 |
A) 4
B) 3
C) 2
D) 43
E) None of these
Correct Answer: A
Solution :
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