The following table shows the marks obtained by two students in different subjects :
|
|
Student A |
Maximum Marks |
Student B |
Maximum Marks |
|
English |
60 |
100 |
80 |
150 |
|
Psychology |
70 |
100 |
70 |
100 |
|
History |
50 |
100 |
60 |
100 |
|
Sanskrit |
30 |
50 |
15 |
25 |
The difference in the mean aggregate percentage marks of the students is
1
2.5%
2
13.75%
3
1.25%
4
Zero