In four regions of the US (Northeast, Midwest, South and West), in three different sized metropolitan regions, researchers measured indicators of pace of life.
A data frame with 36 observations on the following 4 variables.
bank clerk speed
pedestrian walking speed
postal clerk talking speed
age adjusted death rate due to heart disease
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Levine, R.V. (1990). The Pace of Life, American Scientist 78: 450–459.