Which of the following depicts the cumulative frequency polygon of the given data? Data: Following table depicts the marks scored by 800 students in a test of 70 marks. Lower limit Upper limit Number of students with marks in this range 0 5 10 5 10 20 10 15 70 15 20 80 20 25 55 25 30 90 30 35 67 35 40 53 40 45 54 45 50 76 50 55 24 55 60 16 60 65 105 65 70 80
Which of the following depicts the cumulative frequency polygon of the given data? Data: Following table depicts the marks scored by 800 students in a test of 70 marks. Lower limit Upper limit Number of students with marks in this range 0 5 10 5 10 20 10 15 70 15 20 80 20 25 55 25 30 90 30 35 67 35 40 53 40 45 54 45 50 76 50 55 24 55 60 16 60 65 105 65 70 80 Correct Answer <img alt="Airforce Mathematics Set 2 25 Hindi images Q24d" src="//storage.googleapis.com/tb-img/production/18/08/Airforce_Mathematics_Set%202_25_Hindi_images_Q24d.PNG" style="height: 179px; width: 450px;">
The table can be re - drawn as:
|
Lower limit |
Upper limit |
Number of students with marks in this range |
Cumulative count |
|
0 |
5 |
10 |
10 |
|
5 |
10 |
20 |
30 |
|
10 |
15 |
70 |
100 |
|
15 |
20 |
80 |
180 |
|
20 |
25 |
55 |
235 |
|
25 |
30 |
90 |
325 |
|
30 |
35 |
67 |
392 |
|
35 |
40 |
53 |
445 |
|
40 |
45 |
54 |
499 |
|
45 |
50 |
76 |
575 |
|
50 |
55 |
24 |
599 |
|
55 |
60 |
16 |
615 |
|
60 |
65 |
105 |
720 |
|
65 |
70 |
80 |
800 |
So, the cumulative frequency graph will be as follows:
[ alt="Airforce Mathematics Set 2 25 Hindi images Q24d" src="//storage.googleapis.com/tb-img/production/18/08/Airforce_Mathematics_Set%202_25_Hindi_images_Q24d.PNG" style="height: 230px; width: 450px;">