This dataset was taken from the list of OpenIntro dataset files found at https://www.openintro.org/data/.
OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
Simulated data sets, drawn from a normal distribution.
Data were simulated using rnorm.
$ n40 : 40 observations from a standard normal distribution.
- n100 - 100 observations from a standard normal distribution.
- n400 - 400 observations from a standard normal distribution.
Taken from: https://www.openintro.org/data/index.php?data=simulated_normal.