* do-file for Supplementary Exercise 12.35 of IPS7e
version 13 /* works also for version 14 */

* in Stata 13/14, use menu for one-way ANOVA under Statistics-Power and Sample Size
* corresponding to command below
power oneway 2.6 3.0 3.4, varerror(5.76) npergroup(50 100 150 175 200)