- Contrary to the finding for the standard F statistic, the Brown-Forsythe test statistic is significant below .05.

As with the standard F statistic, the Welch statistic is not significant below .05. The Welch statistic is more powerful than the standard F or Brown-Forsythe statistics when sample sizes and variances are unequal. The biasing effect of the outliers can be assessed by removing them and rerunning the ANOVA.