The following table shows the gain in weight by 25 children in a year. What is the mean value of gain in weight?
| Gain in weight (in kg) | No. of children |
| 1.5 | 4 |
| 2 | 5 |
| 2.4 | 8 |
| 3 | 5 |
| 3.2 | 2 |
| 3.4 | 1 |
1
3.2
2
2.1
3
2.4
4
1.9
The following table shows the gain in weight by 25 children in a year. What is the mean value of gain in weight?
| Gain in weight (in kg) | No. of children |
| 1.5 | 4 |
| 2 | 5 |
| 2.4 | 8 |
| 3 | 5 |
| 3.2 | 2 |
| 3.4 | 1 |