Marks(s) | 15 | 20 | 22 | 24 | 24 | 30 | 33 | 38 | 45 |
Frequency (f) | 5 | 8 | 11 | 20 | 23 | 18 | 13 | 3 | 1 |
A) 25.5
B) 27.2
C) 26.08
D) 22.57
E) None of these
Correct Answer: C
Solution :
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