Data visualization with R (CUSO course)

Please rate the following data visualizations according to the following criteria:

• the utility of the figure, on a scale between 0 and 10 from "this figure does not convey any information" (0) to "this figure explains data very clearly" (10)
• the aesthetic of the figure, on a scale between 0 and 10, from "ugly" (0) to "beautiful" (10)

You can also add any comment you may have about the plots.