Age in years | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 34 |
Frequency | 6 | 8 | 14 | 10 | 12 |
What is the class mark of the median class?
17
22
27
32
Correct answer is B
Total frequency=50
Median occurs at 502=25th position
= Class 20 - 24 with classmark 20+242=22
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