Data shows the number of deaths due to firearms and the number of deaths due to motor vehicle accidents in the United States between 1968 and 1993.
A data frame with 26 observations on the following 3 variables.
deaths due to firearms (in thousands per year)
deaths due to motor vehicles (in thousands per year)
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Data read from a Centers for Disease Control and Prevention graph reported in The Oregonian, June 17, 1997.