ANOVA

If F < F^* , then our p-value >a

and we fail to reject H_o.This means our sample data doesn't provide evidence of a significant difference in group means.

If F> F^* , then our p-value <a

we reject H_oThis means our sample data provides evidence that there is a significant difference across group means.

column 1 of df

k-1

column 2 of df

N-k

column 3 of df

N-1

Bonferroni

compare p-values to 0.05 divided by the number of comparisons.

Tukey

compare adjusted p-values (done in RStudio) to 0.05

True Negative

Ho is true and Fail to reject Ho

False Positive (Type I Error)

Ho is true and reject Ho

False Negative (Type II Error)

Ho is false and Fail to reject Ho

True Positive

Ho is false and reject Ho