Question

The following is the distribution for the age of the students in a school:
Age 0-5 5-10 10-15 15-20
Students 35 45 50 30
Calculate:
• The lower limit of the first class interval.
• The class limits of the third class.
• The classmark for the interval 5-10.
• The class size.

Answer 1

Answer:

1). 0

2). 10-15

3). 45

4). 20-0 = 20