Be sure that Minitab knows where to find your downloaded macro. Choose . Under Macro location browse to the location where you save macro files.
If you use an older web browser, when you click the Download button, the file may open in Quicktime, which shares the .mac file extension with Minitab macros. To save the macro, right-click the Download button and choose Save target as.
Suppose your data are in C1, the group indicator is in C2 and you want to sample 5 observations from each group. You want to store the samples in C5 and the group indicator in C6. To run the macro, choose and type:
%STRAT C1 C2 5 C5 C6
Click Run.