Question

Find the size of the class interval in the following cases.
a)0-7
7-14
14-21
21-28

b)0-100
100-200
200-300
300-400

Answer 1

a) size of the class interval = 7-0=14-7=21-14=28-21=7


b) size of the class interval =100-0=200-100=300-200=400-300=100 .

Hope helped!^^