1.

In the following frequency distribution, find the median class. What is the upper limit of median class ?

Answer»

150
160
155
165

Solution :We PREPARE following CUMULATIVE frequency table to find median class.

We have `""N=100,(N)/(2)=50`
Cumulative frequency just GREATER than `(N)/(2)` is 75 and the corresponding class is 155-160. Thus median class is 155-160 and upper LIMIT is 160.
Thus (b) is correct option.


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