Question

What are ‘true class limits’? Give the as quickly as possible

Answer 1

if the class intervells are like this as given below

c. i

1-9

10-19

20-29

To accommodate the values like 9.5 and 19.5 we get problem

c. so we have to take true class limits as

c. i

0.5-9.5

29.5-19.5

19.5-29.5

I think this way you can do it