1. Know the five named graphs (5NG) and when to use each one. Define each. 

2. What is the color aesthetic and the size aesthetic mainly used to illustrate? 

3. Know the appropriate ggplot codes to create the 5NG. 

4. You will be asked to examine a lines of code for errors. Understand the proper structure for ggplot line of code. 

5. How do you remedy a scatterplot that suffers from overplotting? 

6. When should you use facet_wrap? 

7. Differentiate conceptually between a boxplot and a histogram.