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An avalanche is a major danger facing skiers, snowboarders, and snowmobilers. The number of avalanche fatalities per year in the United States varies for approximately 5 to 35, but in general has increased steadily since 1956. The following table shows the number of avalanche fatalities in certain countries represented by the International Commission of Alpine Rescue (IKAR) for the winter seasons 1985 to 2003.
Country
Frequency*
Switzerland
435
France
556
Austria
471
Italy
361
Germany
37
Spain
60
Slovakia
United Kingdom
16
Norway
92
Poland
49
Canada
233
United States
416
a) Find the relative frequency of fatalities for each country.
b) Construct a bar chart using frequency on the vertical axis, and a bar chart using relative frequency on the vertical axis. Which of these 2 graphs do you think is a better graphical description of avalanche fatalities by country? Why?
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