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The TTEST Procedure

Displayed Output

For each variable in the analysis, the TTEST procedure displays the following summary statistics for each group:

Next, the results of several t tests are given. For one-sample and paired observations t tests, the TTEST procedure displays

For two-sample t tests, the TTEST procedure displays all the items in the following list. You need to decide whether equal or unequal variances are appropriate for your data.

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