24.12 Quick review questions

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