Effect of three different doses of caffeine on finger tapping rate.
A data frame with 30 rows and 2 columns:
- dose
dose of caffeine in mg
- rate
finger taps per minute
Source
Hand D.J., Daly F., Lunn A.D., McConway K.J., Ostrowski E. (1994) A Handbook of Small Data Sets. London: Chapman & Hall. Data set 50.