1.

Find the class limits,if the class of grouped frequency distribution are as given below:- (a) 15, 25, 35,45,55 (b) 32,42,52,62,72

Answer»

Step-by-step EXPLANATION:

for a

CLASS limit is

15-25, 25-35,35-45 ,45-55

for b

class limit is

32-42,42-52,52-62,62-72

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class mark=

(lower limit +upper limit ) divided by 2


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