Practice for the practice Quiz

Using Problem 12.2.1 Exercise 2 as a guide, use the ideas from Chapter 13 to answer the questions for table2.

library(tidyverse)

table2

1. Compute the rate and include it in a final dataframe with the years as columns. Make a clustered bar graph.

2. Now make a clustered bar graph. Question, which table is the one to use, table2_new or table2_new_spread?