When should a paired t-test be performed instead of a two-sample t-test? A paired t-test should be performed instead of a two-sample t-test when the variable of interest is categorical. A paired t-test should be performed instead of a two-sample t-test when the observations within each sample are dependent. A paired t-test should be performed instead of a two-sample t-test when the samples taken are independent of each other. A paired t-test should be performed instead of a two-sample t-test when the sample sizes are small and the data in each population are not normally distributed. A paired t-test should be performed instead of a two-sample t-test when each observation in one group has a dependence on a particular observation in the other group.
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Home » Mathematics » When should a paired t-test be performed instead of a two-sample t-test? A paired t-test should be performed instead of a two-sample t-test when the variable of interest is categorical.