Question

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 1

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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now you can use formulae

class mark=

(lower limit +upper limit ) divided by 2

Answer 2

Answer:

The class marks are uniformly spread. The class size is the difference between anty two consecutive class marks. Similarly, we can find the class limits of all the class marks given.

...

Solution.

Class Marks Class limitations

45 40 - 50

55 50 - 60

65 60 - 70

75 70 - 80

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