Comprehension Passage
following table gives the marks obtained by students in a test out of 80 marks. Read the table and answer the following questions.
|
Class interval |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
70-80 |
|
No. of students |
15 |
25 |
30 |
45 |
40 |
30 |
15 |
If the above information is represented as a pie-chart showing the distribution of students in different classes, what is the central angle of the section representing the median class to the nearest whole degree?
1
81°
2
72°
3
54°
4
27°