Class interval | Frequency |
11 - 13 | 3 |
13 - 15 | 6 |
15 - 17 | F |
17 - 19 | 13 |
19 - 21 | 8 |
21 - 23 | 5 |
23 - 25 | 4 |
A) 11
B) 10
C) 9
D) 12
E) None of these
Correct Answer: C
Solution :
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