1.36 Contaminated Waste Sites (in 2002) Peggy's Cove Lighthouse is among 1200 contaminated federal sites. Environmentalists are upset following the publication of a national inventory of contaminated sites on federal land. There are more than 1200 sites with contamination ranging from oil spills to toxic mining waste. The table lists the number of sites."

a. What variable is being measured? Is the variable discrete or continuous?

b. Construct a stem and leaf plot. Describe the shape of the data distribution. Identify the unusually large measurements.

c. Can you think of any reason that some provinces would have a large number of contaminated sites? What other variable might you measure to help explain why the data behave as they do?

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Province/Territory Newfoundland and Labrador Prince Edward Island Number of Sites 55 17 Nova Scotia New Brunswick 78 34 Quebec Ontario Manitoba 300 205 78 Saskatchewan 44 Alberta 57 British Columbia 235 Northwest Territories 56 Yukon Territory 21 Nunavut 44 Source: CBC.ca