1. When would a researcher use a t test of independent means? Provide an example.
2. How does estimating the confidence interval for a t-test differ from hypothesis testing?
3. In ANOVA, what does F = 1 mean? What are the differences between a two-sample t test and ANOVA hypothesis testing?
4. What are post-hoc comparisons and why are they conducted?
5. When would a researcher use ANOVA for data analysis? Provide an example.