Business Statistics

706 Business Statistics

18.5.1 Using Minitab for the Kruskal–Wallis Test

In the Kruskal–Wallis test, the data are arranged in the Minitab worksheet in a different manner

(shown in Figure 18.29). It can be noticed that all the organizations are placed in one column with

different treatment levels (in this example, it is 1, 2, 3, and 4, for four different organizations). The

corresponding amount is placed in the second column. The next step is to click Stat/Nonparamet-

rics/Kruskal-Wallis. The Kruskal-Wallis dialog box will appear on the screen (Figure 18.30). Place

Organizations in the Factor box and “Amount spent” in the Response ...