User Guide

225
Additional St a
tistical Procedures
E
From the menus choose:
Analyze
Compare Means
Paired-Samples T Test...
This opens the Paired-Samples T Test dialog box.
Figure 11-7
Paired-Samp
les T Test dialog box
E Click Weight (wgt0). The variable is displayed in the Current Selections group (below
the varia
ble list).
E Click Fi
nal weight (wgt4). The variable is displayed in the Current Selections group.
E Click th
e arrow button to move the pair to the Paired Variables list.
E Click OK
to run the procedure. If there are rows of asterisks in some columns,
double-click the chart and drag to make the columns wider.
The results show that the final weight is significantly different from the beginning
weight,
as indicated by the small probability displayed in the Sig. (2-tailed) column
of the Paired Samples Test table.