Axuda do LibreOfficeDev 25.8
Calculates the paired t-Test of two data samples.
A paired t-test is any statistical hypothesis test that follows a Student's t distribution.
For more information on paired t-tests, refer to the corresponding Wikipedia article.
Variable 1 range: The reference of the range of the first data series to analyze.
Variable 2 range: The reference of the range of the second data series to analyze.
Results to: The reference of the top left cell of the range where the test will be displayed.
The following table shows the paired t-test for the data series above:
| paired t-test | ||
|---|---|---|
| Alfa | 0.05 | |
| Diferenza de media hipotética | 0 | |
| Variábel 1 | Variábel 2 | |
| Media | 16.9230769231 | 20.4615384615 | 
| Varianza | 125.0769230769 | 94.4358974359 | 
| Observacións | 13 | 13 | 
| Correlación de Pearson | -0.0617539772 | |
| Diferenza media observada | -3.5384615385 | |
| Varianza das diferenzas | 232.9358974359 | |
| df | 12 | |
| Estatísticas t | -0.8359262137 | |
| P (T<=t) unha cola | 0.2097651442 | |
| t Crítico unha cola | 1.7822875556 | |
| P (T<=t) dúas colas | 0.4195302884 | |
| t Crítico dúas colas | 2.1788128297 |