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Question

Find the median class for the below distribution.
ClassCumulative frequency10203203017304024405033506051

A
40-50
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B
20-30
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C
30-40
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D
50-60
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Solution

The correct option is A 40-50
From above cumulative frequency distribution, we can see that the total number of observations n = 51.
n2=25.5
The cumulative frequency closest to and aboven2 is 33. The class corresponding to this frequency is 40-50.
Thus the median class is 40-50.

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