Modern Communication Means to Improve Performance for Young Swimmers
Table 6:
| No. | Name | Age | Gender | Initial Testing | Final Testing |
| 1 | P.D. | 13 | M | 4 | 8 |
| 2 | M.I. | 12 | F | 3 | 7 |
| 3 | A.A. | 11 | F | 4 | 7 |
| 4 | B.R. | 10 | M | 3 | 5 |
| 5 | N.A. | 12 | M | 2 | 6 |
| 6 | B.A. | 11 | F | 3 | 6 |
| 7 | I.A. | 11 | M | 1 | 5 |
| 8 | G.A. | 12 | F | 5 | 7 |
| Arithmetic mean | 3.13 | 6.38 | |||
| Standard deviation | ±1.165 | ±0.99 | |||
| Coefficient of variance | 1.553571429 | 1.125 | |||