
Chapter 3
PB
Measures of Central Tendency
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FIGURE 3.11
Minitab Descriptive
Statistics – Statistics
dialog box
FIGURE 3.12
Minitab output for
Example 3.1
FIGURE 3.13
SPSS Frequencies
dialog box
3.5.4 Using SPSS for Arithmetic Mean Computation
To compute mean using SPSS, select Analyze/Descriptive Statistics/Frequencies from the
menu bar. The Frequencies dialog box will appear on the screen as shown in Figure 3.13.
Place the Rainfall data range in the Variable(s) box and click on the Statistics command. The
Frequencies: Statistics dialog box will appear on the screen (Figure 3.14). From this dialog box,
select the required statistics that need ...