GED Math Review: Bar Graphs and Histograms

Questions:

Refer to the bar graph below to answer questions 1 through 4.

1. What was the approximate dollar amount in sales for Year 3?
• $180,000
• $200,000
• $260,000
• $300,000
2. Choose the year on the bar graph that shows a decrease in sales from the previous year.
3. Estimate the difference in sales from Year 4 to Year 5.
• $200,000
• $250,000
• $300,000
• $500,000
4. Approximate the average yearly sales for the live-year period.
• $210,000
• $260,000
• $380,000
• $500,000
  Refer to the following histogram to answer questions 5 and 6.
  
  
5. What do the horizontal intervals in this histogram represent?
• the number of vehicles surveyed for fuel efficiency
• the miles per gallon that one car earned on each test drive
• the miles per gallon that each vehicle earned for fuel efficiency
• the number of vehicles that earned a fuel efficiency between 6 and 35 miles per gallon
6. Match each scenario with the number of vehicles it represents.

• the total number of vehicles in this survey _________
• the number of vehicles that did not get 12 to 29 miles per gallon _________
• the difference in the number of vehicles that got 18-35 miles per gallon and those got 6-17 miles per gallon _________

Answers:

1. $260,000
2. Year 4
3. $250,000
4. $260,000
5. the miles per gallon that each vehicle earned for fuel efficiency
6. the total number of vehicles in this survey 61
   the number of vehicles that did not get 12 to 29 miles per gallon 12
   the difference in the number of vehicles that got 18-35 miles per gallon and those got 6-17 miles per gallon 35

Reference:

Complete Test Preparation for the GED Test 2014 by Steck-Vaughn