Question

Following is the frequency distribution table of the mark obtained by 40 students in economics in a school . prepare ‘less than’ and ‘more than’ cumulative frequency distribution table from it.

class no.of students
0-20. 5
20-40. 7
40-60. 23
60-80. 3
80-100. 2

Answer 1

less than type
less than 20. 5
less than 40. 12
less than 60. 35
less than 80. 38
less than 100. 40