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Lesson 6 8 misleading graphs

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  • 1. Name __________________________________ Date __________________Mrs. Labuski / Mrs. Rooney Period ________ Lesson 6-8 Misleading GraphsWhy are these line graphs misleading?_________________________________________________________________________________________________________________________________________________________________________________________________________What might people believe from these misleading graphs?_________________________________________________________________________________________________________________________________________________________________________________________________________
  • 2. The graph shows the total number of medals won by four countries at the 2002Winter Olympics.1. According to the height of each bar, which country appears to have wonapproximately half the number of medals won by the United States?_________________________________________________________________________________________________________________________________________________________________________________________________________2. Look at the numbers on the left to estimate the number of medals won by eachcountry._________________________________________________________________________________________________________________________________________________________________________________________________________3. Use the estimates in Exercise 2 to determine whether the answer to Exercise 1 isaccurate._________________________________________________________________________________________________________________________________________________________________________________________________________Think and Discuss4. Discuss how the graph is misleading._________________________________________________________________________________________________________________________________________________________________________________________________________5. Explain how you could modify the graph to represent the data more accurately._________________________________________________________________________________________________________________________________________________________________________________________________________
  • 3. Name __________________________________ Date __________________Mrs. Labuski / Mrs. Rooney Period ________ Lesson 6-8 Misleading GraphsWhy are these line graphs misleading?If you look at the scale for each graph, you will notice that the April graph goesfrom 54° to 66° and the May graph goes from 68° to 80°.What might people believe from these misleading graphs?People might believe that the temperatures in May were about the same as thetemperatures in April. In reality, the temperatures in April were about 15 degreeslower.
  • 4. The graph shows the total number of medals won by four countries at the 2002Winter Olympics.1. According to the height of each bar, which country appears to have wonapproximately half the number of medals won by the United States?_Norway_________________________________________________________________________________________________________________________________________________________________________________________________2. Look at the numbers on the left to estimate the number of medals won by eachcountry.Germany — 35, USA — 34, Norway — 24, Canada — 17______________________________________________________________________________________________________________________________________3. Use the estimates in Exercise 2 to determine whether the answer to Exercise 1 isaccurate.No, the answer to Exercise 1 is not accurateThink and Discuss4. Discuss how the graph is misleading.The vertical axis starts at 10, rather than zero.The intervals are not even: 0- 10, and then by 5’s5. Explain how you could modify the graph to represent the data more accurately.Start the vertical axis at zero___________________________________________________________________