Question

If in a frequency distribution the overlapping class intervals are of equal size and the class marks of consecutive intervals are as given below then determine the class intervals.
(a) 10, 20, 30, 40
(b) 5.5, 10.5, 15.5, 20.5, 25.5
no rubbish​

Answer 1

Answer:

@). 5-15,15-25,25-35,35-45

B). 3-8,8-13,13-18,18-23,23-28

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