Question

from the following frequency distribution table prepare less than and more than comulative frequency distribution table

class (mark obtained)
0-20
20-40
40-60
60-80
80-100

number of students
7
12
13
8
10​

Answer 1

Explanation:

For a less than cumulative frequency distribution, arrange the classes in ascending order and use the upper limits for grouping.

For a more than cumulative frequency distribution, arrange the classes in descending order and use the lower limits for grouping.