Business Statistics

590 Business Statistics

FigUre 16.24

Minitab Single Exponential

Smoothing-Storage dialog

box

FigUre 16.25

Minitab output for

Example 16.4 ( = 0.7)

16.11.3 Using SPSS for Exponential Smoothing Method

Select Analyze/Time Series/Exponential Smoothing. The Exponential Smoothing dialog box

(Figure 16.26) will appear on the screen. Place production in the Variables box and select the Simple

Model button. Click Parameters, the Exponential Smoothing: Parameters dialog box will appear

on the screen (Figure 16.27). From the General (Alpha) section, select ‘value’ and place 0.3 against

the values (by placing different alpha values such as 0.5 and 0.7, ...