The data below shows the number of students in class A having secured different marks.
|
Marks |
Students In class A |
|
0-2 |
3 |
|
2-4 |
4 |
|
4-6 |
1 |
|
6-8 |
1 |
|
8-10 |
1 |
|
10-12 |
0 |
What is the mean marks of class A?
1
2
2
3.6
3
2.8
4
1.6