| ANOVA Model | ||
| Accidents ~ Belt | ||
| means | 1717.751 | -396.056 |
| ANOVA Statistics | |||||
| Df | Sum Sq | Mean Sq | F value | Pr(>F) | |
| Belt | 1 | 3175602.438 | 3175602.438 | 46.975 | 0 |
| Residuals | 190 | 12844428.432 | 67602.255 | ||
| Tukey Honest Significant Difference Comparisons | ||||
| diff | lwr | upr | p adj | |
| 1-0 | -396.056 | -510.041 | -282.071 | 0 |
| Levenes Test for Homogeneity of Variance | |||
| Df | F value | Pr(>F) | |
| Group | 1 | 2.172 | 0.142 |
| 190 | |||
