The Wilcoxon Rank Sum Test
To illustrate the use of Minitab for the Wilcoxon rank sum test, open the LUGGAGE.MTW worksheet. Select Stat → Nonparametrics → Mann-Whitney.
In the Mann-Whitney dialog box (see Figure A7.11) in the First Sample: edit box, enter C1 or ‘Wing A’. In the Second Sample: edit box, enter C2 or ‘Wing B’. Click the OK button.
Figure A7.11. Minitab Mann-Whitney Dialog Box
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