| ANOVA Model | |||
| IQ ~ Mothers-Age | |||
| means | 73.51 | 12.89 | 29.374 |
| ANOVA Statistics | |||||
| Df | Sum Sq | Mean Sq | F value | Pr(>F) | |
| Mothers-Age | 2 | 14948.945 | 7474.473 | 358.286 | 0 |
| Residuals | 157 | 3275.299 | 20.862 | ||
| Tukey Honest Significant Difference Comparisons | ||||
| diff | lwr | upr | p adj | |
| 2-1 | 12.89 | 10.951 | 14.828 | 0 |
| 3-1 | 29.374 | 26.752 | 31.997 | 0 |
| 3-2 | 16.485 | 14.063 | 18.907 | 0 |
| Levenes Test for Homogeneity of Variance | |||
| Df | F value | Pr(>F) | |
| Group | 2 | 0.659 | 0.519 |
| 157 | |||
