Statisticsmedium · Past Paper
Find the median for the frequency distribution: Marks: 10, 20, 30; Frequency: 2, 5, 3.
A10
B20
C30
D25
✓ Correct Answer: B — 20
N = 10. Median position = (10+1)/2 = 5.5th item. Cumulative frequencies: 2, 7, 10. The 5.5th item falls in the category where Marks = 20.
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