Table 3. Tests for normality for the variables included in the model.
| Variable | Skew | C.R. | Kurtosis | C.R. |
|---|---|---|---|---|
| Relative Age Effect | 0.016 | 0.830 | -1.030 | -25.960* |
| Socio-economic status | 0.305 | 15.355* | -0.434 | -10.947* |
| Type of Institution | 0.405 | 20.393* | -0.667 | -16.804* |
| Academic performance in Math | 0.114 | 5.746* | -0.318 | -8.023* |
| Academic performance in Reading | -0.144 | -7.235* | -0.239 | -6.025 |
| Academic performance in Social Studies | 0.150 | 7.571* | -0.618 | -15.577* |
| Academic performance in Nature Science | -0.075 | -3.801* | -0.485 | -12.223* |
| Multivariate | -0.038 | -0.207 |
Note: C.R. = Critical Ratio;
*α = .01.