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The median of frequency distribution is:

Class :0 – 2525 – 5050 – 7575 – 100
Frequency :23321512

Solution

✅ Correct Option: 1

Total frequency N=82N = 82, so N/2=41N/2 = 41. Cumulative frequencies are 23, 55, 70, 82, so the median class is 25-50 with l=25l = 25, cf=23cf = 23, f=32f = 32, h=25h = 25. Median =25+41−2332×25=25+14.06=39.06= 25 + \frac{41-23}{32} \times 25 = 25 + 14.06 = 39.06.

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