LibreOffice 25.2 Help
Vypočíta z-test dvoch dátových vzoriek.
For more information on Z-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 z-Test for the data series above:
| z-test | ||
| Alfa | 0.05 | |
| Rozdiel stredných hodnôt v hypotéze | 0 | |
| Premenná 1 | Premenná 2 | |
| Známa variancia | 0 | 0 | 
| stredný | 16.9230769231 | 20.4615384615 | 
| Pozorovania | 13 | 13 | 
| Pozorovaný rozdiel stredných hodnôt | -3.5384615385 | |
| z | #DIV/0! | |
| P (Z<=z), jednostranné | #DIV/0! | |
| z kritické, jednostranné | 1.644853627 | |
| P (Z<=z), obojstranné | #DIV/0! | |
| z kritické, obojstranné | 1.9599639845 |