Get Answers to all your Questions

header-bg qa

The marks obtained by 100 students of a class in an examination are given below.

Marks No. Of Students
0-5 2
5-10 5
10-15 6
15-20 8
20-25 10
25-30 25
30-35 20
35-40 18
40-45 4
45-50 2

Draw 'a less than' type cumulative frequency curves (ogive). Hence find the median.

 

 
 
 
 
 

Answers (1)

 

Marks Nor of students cf
less than 5 2 2

less than

5 7

less than

6 13

less than

8 21

less than

10 31

less than

25 56

less than

20 76

less than

18 94

less than

4 98

less than

2 100

Plotting the points (5, 2), (10, 7) (15, 13), (20, 21), (25, 31), (30, 56), (35, 76), (40, 94), (45, 98), (50, 100)

Median is around 29

Posted by

Safeer PP

View full answer