Statisticshard · Past Paper
In a continuous frequency distribution, the median class is 10-20. If the total frequency is 40 and CF of the preceding class is 15, what is the 'm' value used in the median formula?
A15
B20
C25
D40
✓ Correct Answer: B — 20
The position m is N/2 = 40/2 = 20.
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