Question

How to determine class intervals if class marks are specified?? Please explain with example.
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Answer 1

Answer:

The no. Of units in between the lower limit and upper limit is the class interval.

EXAMPLE :0-10,10-20, 20-30, 30-40

Here class interval is 10 i.e from 0 to 10 there are 10 units, same way from 10-20 there are 10 units..

Hope this helps..