8.4. Double Bar Graphs http://www.ck12.org
The double bar graph below shows the numbers of cars sold by 2 used car dealerships for each day of last week. Use
the double bar graph to answer the following questions:
- On what day did Dealership A and Dealership B combine to sell the most cars?
- How many more cars did Dealership B sell on Monday than Dealership A?
- On what day was there the biggest difference between cars sold by the 2 dealerships?
20 college graduates and 20 non-college graduates were asked their primary way of following the news, and the
results are shown in the double bar graph below. Use the double bar graph to answer the following questions:
- How many more of the non-college graduates primarily use television to follow the news than use the news-
paper? - When college graduates and non-college graduates are combined, which form of the media is primarily used
the least to follow the news? - What percentage of the college graduates primarily use the internet to follow the news?
- The guidance counselor at USA High School wanted to know what future plans the graduating class had. She
took a survey to determine the intended plans for both boys and girls in the school’s graduating class. The
following data was recorded: