Class Interval | Frequency |
0 ? 20 | 7 |
20 ? 40 | P |
40 ? 60 | 10 |
60 ? 80 | 9 |
80 ? 100 | 13 |
A) P = 8
B) P = 9
C) P = 10
D) P = 11
E) None of these
Correct Answer: D
Solution :
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