September 2017
Beginner to intermediate
446 pages
9h 17m
English
book
Data Analysis with IBM SPSS Statistics
by James C. Mott, Ken Stehlik-Barry, James Sugrue, Anthony Babinec
Content preview from Data Analysis with IBM SPSS Statistics
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Paired t-test
Another use of the T Test is performing comparisons of two Means from a single sample. These paired T Tests are useful for situations in which the cases have attributes you wish to compare, such as blood pressure before and after participating in an exercise program.
The example shown in the following figure compares the highest year of schooling completed for the respondents and their spouses. Only those individuals with a value on both fields will be part of the analysis:
The Paired Samples Statistics table provided has the same N (1194) for each field, which reinforces the fact that only cases with both members of the pair ...
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