## 24.12 Quick review questions

1. The appropriate graph for displaying quantitative data for two separate groups is a:
2. True or false: The difference in population means could be denoted by $$\mu_A - \mu_B$$.
3. True or false: The standard error of the difference between the sample means is denoted by $$\text{s.e.}(\bar{x}_A) - \text{s.e.}(\bar{x}_B)$$.