Class interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | Total |
Frequency | 5 | F1 | 20 | F2 | 8 | 5 | 60 |
A) 9 and 13
B) 7 and 15
C) 8 and 14
D) 7 and 13
E) None of these
Correct Answer: C
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