This macro performs the Mann-Whitney Test on stacked data. Subcommands can be used to specify the confidence level and alternative hypothesis. By default, Minitab uses a 95% confidence level and performs the two-sided test.
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Suppose C1 contains the data and C2 contains the subscripts (grouping variable).To run the macro, chooseand type:
%MWSTACK C1 C2
Click Submit Commands.