Question

The following table shows the cumulative frequency distribution of marks of 100 students in an examination
Marks
Below 5
Below 10
Number of students
17
58
Below 15
Below 20
85
100
Construct a frequency distribution table for the above data.​

Answer 1

Answer:

Given :

Marks               Number of students  (Cf)

Below 5                17

Below 10               58

Below 15                85

Below 20               100

To Find :Construct a frequency distribution table for the above data.​

Solution :

Marks               Number of students  (Cf)   Frequency

Below 5                17                                      17

Below 10               58                                    41

Below 15               85                                    27

Below 20              100                                   15