Use the preparation materials to prepare hand-written answers for the following questions. Please ask any questions on the "Questions -- Preparation Guide" on the course Team (see link on the homepage).
- What specifically do you conclude if you reject H0 in a One-Way ANOVA?
- How many pairwise comparisons are made if there are 3 groups in the analysis? For 5 groups?
- Why can’t multiple 2-sample t-tests be used to identify which pairs of means differ? [There are two reasons.]
- Define pairwise errors?
- Define experiment-wise errors?
- What happens to the pairwise error rate as the number of comparisons increases (assuming no correction is used)?
- What happens to the experiment-wise error rate as the number of comparisons increases (assuming no correction is used)?
- What is the name of the method that we will use to correct for multiple comparisons?
- What package must be loaded to perform Tukey’s procedure in R?
- If the difference in group means is negative then which group mean is larger?
- [Optional] What questions do you have from this reading that you would like me to address? [Please be as specific as possible. Don't just say "everything" or "I don't understand anything." Of course, you can ask me questions about the reading before class on MS Teams.]