User Guide

363
TTests
Figure 20-7
Paired-Samples T Test dialog box
E Select a
pair of variables, as follows:
 Click ea
ch of two variables. The first variable appears in the Current Selections
group as Va ri abl e 1, and the second appears as Va ri ab le 2.
 After you have selected a pair of variables, click the arrow button to move the
pair into the Paired Variables list. You may select more pairs of variables. To
remove a
pair of variables from the analysis, select a pair in the Paired Variables
list and click the arrow button.
Optiona
lly, you can click
Options to control the treatment of missing data and the
level of the confidence interval.
Paired-
Samples T Test Options
Figure 20-8
Paired-Samples T Test Options dialog box