| ANOVA Model | ||
| Weeks ~ Useful | ||
| means | 2.991 | 3.463 |
| ANOVA Statistics | |||||
| Df | Sum Sq | Mean Sq | F value | Pr(>F) | |
| Useful | 2 | 1502.814 | 751.407 | 786.671 | 0 |
| Residuals | 152 | 145.186 | 0.955 | ||
| Must Include Intercept to use Tukey Test |
| Levenes Test for Homogeneity of Variance | |||
| Df | F value | Pr(>F) | |
| Group | 1 | 6.508 | 0.012 |
| 152 | |||
