Business Statistics

688 Business Statistics

Figure 18.10

Minitab Calculator dialog box

18.3.4 Using SPSS for the Mann–Whitney U Test

The rst step is to click Analyze/Nonparametric/Two-Independent-Sample. The Two-Indepen-

dent-Samples Tests dialog box will appear on the screen (Figure 18.11). From the Test Type, select,

Mann-Whitney U test. Place Departments in the Test Variable List box. Place VAR1 in the Group-

ing Variable box (Figure 18.12). Click Dene Groups. The Two Independent Samples: Dene

Groups dialog box will appear on the screen (Figure 18.13). Place 1 against Group 1 and place 2

against Group 2 (where 1 represents the production department ...