1. The results of a political poll are displayed in a circle graph (below left). Describe how the graph is misleading. Canadian Alliance 2146 Liberal
1. The results of a political poll are displayed in a circle graph (below left). Describe how the graph is misleading. Canadian Alliance 2146 Liberal PC 19% $5m $3m NDP 6% 2. The pictograph (above right) illustrates the profits of a computer manufacturing company for two consecutive years. Explain why this graph is misleading. 3. The results of a poll indicate that 51% of Canadians think the Prime Minister is doing a good job. The poll is considered accurate to within 4%, 19 times out of 20. a) Explain what this means. b) Can we say that the majority of Canadians agree with the job the Prime Minister is doing? Explain.5. Application The value of the Canadian dollar in terms of U.S. dollars changes over time. This graph shows how the value of the Canadian dollar changed between 1998 and 2001. Each value was recorded at the close of trading on January 31 of the stated year. 0.70- 10:69- 10.68- 10:67 10:46 Value of CON Sin US $ 10:65 10.64 10.63- 10.62 0.61 1998 1909) zabol 2001 Year a) Examine the graph and explain why it may be misleading. b) Draw a graph that more accurately represents the data. 6. Look in newspapers and magazines to find an example of a graph that is misleading. Copy the graph into your notebook. a) Explain how the graph is misleading. b) Redraw the graph so it more accurately represents the data.8. An automobile safety handbook states that the majority of car accidents occur within 5 blocks of home. a) What incorrect conclusion might we draw from this claim? b) What other information do we need before we can accurately assess this claim? 9. Knowledge/Understanding The CPI for all items in June 2001 was 117.5 for Canada and 118.5 for Ontario. a) Describe how prices have changed in Ontario since the base year of 1992. b) Are prices increasing faster in Ontario or in all of Canada? Explain. 0. The CPI for energy for August 2001 was 133.4. a) In the base year of 1992, the CPI for energy was 100.0. What happened to energy prices from 1992 to 2001? Explain. b) The CPI for all products in August 2001 was 117.1. Suggest reasons why the CPI for energy is so much higher than the CPI for all items.14. Every year from 1993 to 1998, Canada placed first in the United Nations Human Development Index (HDI). It measures quality of life. Some of the factors considered when calculating the index include income, life expectancy, literacy, and school enrolment. In 1999, Canada fell to third place behind Norway and Australia. Many members of the media expressed concern about budgetary issues affecting the quality of life of Canadians. a) What factors would you consider when measuring quality of life? Explain. b) Do you think the items considered in the United Nations index are valid indicators of quality of life? Explain. c) Here are the results for the top 3 countries: Norway 0.939, Australia 0.936, Canada 0.936. Norway and Australia were ahead because they had better life expectancy and educational enrolment. Do you think Canadians should be concerned about their ranking? Explain.4. These data from Statistics Canada show the number of unemployed people in Canada each year from 1995 to 2000.Number of Year Unemployed 1995 1 393 100 1996 1 436 900 1997 1 378 600 1998 1 277 300 1999 1 190 100 2000 1 089 600 a) Draw a graph that accurately represents these data. b) Alter the graph to support a particular point of view. Explain the point of view
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