Question

Class linterval No of students are given in table form
Class interval 15-25 25-35 35-45 45-55 55-65 65-75 75-85
No of students 6 11 7 4
4 2 1

Answer 1

Answer:

Class interval= 10

Step-by-step explanation:

Class interval is the width of the class

i.e. upper lim - lower lim.

= 25 - 15 = 10