For help with question 2. refer to Example 1. \"rwxmlmirm 2. The Air Quality Health Index [AQHIj measures the level of many air pollutants. It has a scale from'l [low health risk] to 'llZI {high health risk}. [in rare occasions. the index may be greater than "ID, which means a very high health risk. The graph shows the AQHI for Toronto for one week. a} Estimate the value of the index for each day of the week. Classify the health risk for each day. b} By what factor did the index increase between Wednesday and Thursday? c} Calculate the percent increase in the index from Sunday to Friday. d) What might explain the pattern in the readings? 4. The TSX Venture Exchange is a stock exchange that provides relatively new companies with access to investment capital. Many high-risk stocks are listed on this exchange. The TSX Venture Composite Index is a weighted average of the TMX TSX Venture Exchange stock values of a selection of companies listed on the exchange. The graph shows both the TSX Composite Index and the TSX Venture Index from September 2007 to September 2008. S&P /TSX Venture (JX-I) from Sep 2007 to Sep 2008 as of 05-Sep-08 a) Describe the similarities and -JX-I TSXE-I differences between the index 20.00 values. 10.00 b) Why do you think the Venture Index would fluctuate more Change (%%) than the Composite Index? -10,00 -20.00 -30.00 Sep 07 Nov 07 Jan 08 Mar 08 May 08 Jul 08 Sep 085. The Canadian Customer J.D. Power and Associates Commitment Index was designed to 2008 Canadian Customer Commitment Index Study Overall Service Experience Satisfaction Index compare the customer satisfaction at (Based on a 1000-point scale) car repair establishments. OK Tire 902 Petro Canada (Certigard) a) Compare the scores of Autopro 881 Mr. Muffler 873 Wal-Mart and OK Tire. Firestone Service Centres Saturn/Saab Dealers 871 b) By what percent do OK Tire Toyota/Lexus Dealers 871 Tirecraft 869 and Wal-Mart differ from the Essa 862 Goodyear Service Centres 859 industry average? Jiffy Lube KAL Tire 855 c) How do new car dealers rate Speedy 854 BMW Dealers 853 relative to the industry Hyundal Dealers 853 Acura Dealers 850 Industry Average 850 average? Fountain Tire 849 Honda Dealers 848 Pennzoil 846 Shell 946 Ford Dealers 845 GM Dealers 844 Ultramar 844 Mazda Dealers 843 VW/Audi Dealers 843 Midas 841 Kla Dealers 839 Nissan/Infiniti Dealers 838 Mr. Lube 837 Suzuki Dealers 836 Chrysler Dealers 831 Ford Fast Lane 831 Subaru Dealers 831 Mitsubishi Dealers 828 Costco 812 Canadian Tire 778 Active Green & Ross 737 Wal-Mart 777 "Independent Repair Shops 0 100 200 300 400 500 600 700 800 900 1000 Source JD. Power and Associates 2008 Customer Commitment Index Study"8. The graph shows the annual percent increases in college and university tuition fees from 1990/1991 to 2007/2008, as well as the percent increases in Rates of Increase in Undergraduate the CPI. Tuition Fees Versus Inflation a) Describe the changes in tuition fees relative to Consumer Price Index 20.0 Tuition Fees changes in the CPI as a whole. 15.0 b) If trends continue, how Inflation (%) will the change in CPI 10.0 compare to the change 5.0 in tuition fees in 2009/2010? 0.0 2006 c) Imagine you were a 1661/0661 1993/1994 1996/1997 1999/2000 2002/2003 05/20 2007/2008 college student in 1996. 200 Year Write a letter to the editor regarding the cost of a Source: Statistics Canada, Catalogue 11-001-XIE, ISSN 1205-9137 college education. Include references to the CPI.9. The UV Index is a measure of the intensity of the sun's ultraviolet (UV) radiation. Components of the UV Index include the thickness of the ozone layer, altitude, latitude, and cloud cover. The greater the UV Index, the greater the potential harm to your skin, eyes, and UV Index immune system Category 11+ extreme a) Use your knowledge of North 8 to 10 very high American geography to help 6 to 7 high explain the various UV forecasts 3 to 5 moderate on the map 0 to 2 low b) How would the map change during the winter months and the GEM-Global Ultraviolet Index Under Clear Sky summer months? c) The UV Index for Toronto measured 2.7 on Monday, but UV increased to 5.8 on Tuesday. 14.88 What was the percent increase in 10.50 the index? 7.50 d) One day, the UV Index measured UV