In the article "Missing the Target: A Comparison of Buyback and Fatality Related Guns" (Injury Prevention, Vol. 8, pp. 143-146), Kuhn et al. examined the relationship between the types of guns that were bought back by the police and the types of guns that were used in homicides in Milwaukee during the year 2002. The following table provides the details.

a. Construct a pie chart for the relative frequencies of the types of guns that were bought back by the police in Milwaukee during 2002.
b. Construct a pie chart for the relative frequencies of the types of guns that were used in homicides in Milwaukee during 2002.
c. Discuss and compare your pie charts from parts (a) and (b).

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Caliber Buybacks Homicides Small Medium Large Other 719 182 20 20 75 202 40 52