The data given below shows the marks obtained by various students.
|
Marks |
Number of students |
|
10 – 12 |
6 |
|
12 – 14 |
8 |
|
14 – 16 |
5 |
|
16 – 18 |
7 |
|
18 - 20 |
4 |
What is the mean marks (Correct up to two decimal places) of given data?
1
13.67
2
14.67
3
15.33
4
13.33