Paired T Test Chart. Measurements for one subject do not affect measurements for any other subject. A paired samples t test is used to compare the means of two samples when each observation in one sample can be paired with an observation in the other sample.
Complete the following steps to interpret a paired t test. In this video we produce a bar graph of results from a paired samples t test with appropriate error bars. Click analyze compare means paired samples t test.
This tutorial explains the following.
It can be used when the population standard deviation σ is not known and the sample size is small n 30. Measurements for one subject do not affect measurements for any other subject. Select the variable english and move it to the variable1 slot in the paired variables box. Flow chart of types of statistical test.
