Temperature of a mug of water as it cools
data(CoolingWater)
A data frame with 222 observations of the following variables.
time
time in minutes
temp
temperature in Celsius
These data were collected Stan Wagon to help his mathematical modeling students explore Newton's Law of Cooling and the ways that the law is really only an approximation. More about Stan: http://stanwagon.com.
The water was poured into a mug and a temperature probe inserted into the water with a few seconds of the pour.