Statisticsmedium · Past Paper
If the frequencies of classes 0-10, 10-20, 20-30 are 5, 8, 7, what is the 'more-than' cumulative frequency for class 10?
A5
B13
C15
D20
✓ Correct Answer: C — 15
More-than CF for 10 includes frequencies of 10-20 and 20-30: 8 + 7 = 15.
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