World record times for the mile run, 1861–2003.
A data frame with 46 observations:
Year in which the record was set
Running time, in seconds
Name of person setting the record
Country of residence of the record setter
Place the record was set
Gender of the record holder
Data source: http://www.saunalahti.fi/~sut/eng/
Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Problem 6.20.