Question

The class limit are given as 10-19,20-29,30-39 then class size is ______.
( Hint - Make class interval equal then find class size )

Answer 1

Answer:10

Step-by-step explanation:

9.5-19.5,19.5-29.5....

Class size=19.5-9.5

=10

Answer 2

Step-by-step explanation:

10-19=9,class size is 9