Question: Refer to the following pie chart, which shows the percentage of sales by vehicle type in 2013.
a. What percentage of the cars sold in 2013 were all-electric vehicles?
b. What percentage of the cars sold in 2013 were 4-door sedans?
c. What was the most popular vehicle type for 2013 based on sales?
d. What was the least popular vehicle type for 2013 based on sales?