Below are estimated numbers of annual road traffic deaths for 12 countries based on data from the World Health Organization (apps.who.int/gho/ data/view.main.51310):

a. Compute the mean and the median across these 12 data points. 

b. Compute the range for these 12 data points. 

c. Recalculate the statistics in part (a) and part (b) without the data point for the United States. How are these statistics affected by including or excluding the United States? 

d. How might these numbers be affected by using traffic deaths per 100,000 people instead of using the number of traffic deaths overall? 

e. Do you think that traffic deaths might vary by other personal or national characteristics? 

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Number of Deaths Country United States 35,490 Australia 1363 Canada 2296 Denmark 258 Finland 272 Germany Italy Japan Malaysia Portugal Spain Turkey 3830 4371 6625 7085 1257 2478 8758