Business Statistics

608 Business Statistics

FigUre 16.49

Minitab Decomposition-

Results dialog box

16.15 SOLVING PROBLEMS INVOLVING ALL FOUR COMPONENTS OF

TIME SERIES

In Figure 16.45, if we select “Trend plus Seasonal” from Decomposition dialog box and from Figure

16.48 (Decomposition-Storage dialog box), if we select ‘Trend line; Detrended data; Fits; Residu-

als along with Seasonals and Seasonally adjusted data’, Minitab will provide these as output with

attachment in the worksheet. In the ‘Session Window’ of Minitab, Figure 16.50 will be a part of the

Minitab output.

This output is based on the deseasonalization and detrending of the time series data. In ...