How is an ANOVA used, what is the difference between comparing mean and comparing variances, what are the differences between one-way and two-way ANOVA?
What are the five steps in the hypothesis testing procedure, what does each step represent, what are the advantages and disadvantages of using a hypothesis testing procedure?
What is the significance of a 5% significance level? Why would you choose 5% as opposed to 10%? What are the statistically accepted guidelines for significance levels?