Q. 54.0( 4 Votes )

Let l be the lower-class limit of a class-interval in a frequency distribution and m be the mid-point of the class. Then, find the upper-class limit f.

Answer :

To Find: Upper-Class limit

Given:


Lower class limit = l


Mid-point = m


Concept Used: Mid-Point is the average of the lower limit and upper limit.


Explanation:


We know that,



Cross-multiplying, we get,


l + u = 2m


u = 2m – l


Hence, the upper limit is (2m – l).


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