-
A class is divided into 3 equal groups and the class is given 5 tests in Maths. Average score of the groups and the tests is given below. The average score of the entire class in Test II is
-
- 13
- 13.5
- 10
- 12.5
Correct Option: D
According to given graph in question ,
Sum of marks = 10 + 12.5 + 15
Total number of groups = 3
| Average marks = | 3 |
| Average marks = | = 12.5 | 3 |
