ANOVA will tell you whether there is a statistically significant difference in the population means of three or more groups of data. But which means are different? Tukey’s will tell you that.

When testing whether the means of more than 2 groups are statistically different, you could use a one-way ANOVA. But if you ...

Such models include the one-way Analysis of Variance (ANOVA) and Analysis of Covariance (ANCOVA ... can help answer meaningful questions about the differences between group means with respect to a ...