* do-file for Supplementary Exercise 12.35 of IPS7e
version 18 /* works also with versions 13-17 */

* using either the command or the Power and sample size menu
power oneway 2.6 3.0 3.4, varerror(5.76) npergroup(50 100 150 175 200)

* Note: the results are exactly the same as with Minitab despite that
* Stata uses a different method. This is because of the specific
* configuration of the group means, try instead with 2.8 for the middle group.