alleryFrequencies for classes 0–10, 10–20, 20–30 are 4, 9, 7. Identify median class.
A10–20
B20–30
C0–30
D0–10
Answer & Solution
Correct answer: A. 10–20
There are 20 values; the 10th lies in 10–20 because cumulative frequency rises from 4 to 13.
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