Median = l + [(n/2 - cf)/f] h, where cf = ……… A) Cumulative frequency of the class preceding the median class.
Median = l + [(n/2 - cf)/f] h, where cf = ………
A) Cumulative frequency of the class preceding the median class.
B) Cumulative frequency of the median class.
C) Cumulative frequency of the class succeeding the median class.
D) Sum of the frequencies.
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Correct option is : A) Cumulative frequency of the class preceding the median class.
In formula of median for grouped data
Median = \(l\) + \(\left[\frac{(\frac{n}{2}-cf)}{f}\right]\) h
We have cf = Cumulative frequency of the class preceding the median class.
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