Question

Construct the frequency distribution table from the following cumulative frequency table:

Ages	No. of students
Below 4	0
Below 7	85
Below 10	140
Below 13	243
Below 16	300

(i) State the number of students in the age group 10 - 13.
(ii) State the age-group which has the least number of students.

Answer 1

The frequency distribution table is

C. I	c.f
4 -  7	85
7 - 10	55
10 -  13	103
13 - 16	57

(i)The number of students in the age group  is 10 -13 is 103

(ii)The age group which has the least number of students is  7 - 10