LibreOffice 25.2 እርዳታ
Calculates the z-Test of two data samples.
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-መሞከሪያ | ||
| አልፋ | 0.05 | |
| የ መላምት አማካይ ልዩነት | 0 | |
| ተለዋዋጭ 1 | ተለዋዋጭ 2 | |
| የ ታወቀ ልዩነት | 0 | 0 | 
| አማካይ | 16.9230769231 | 20.4615384615 | 
| የታየው | 13 | 13 | 
| የታየው አማካይ ልዩነት | -3.5384615385 | |
| z | #ማካፈያ/0! | |
| P (Z<=z) አንድ-ጭራ | #ማካፈያ/0! | |
| z ወሳኝ አንድ-ጭራ | 1.644853627 | |
| P (Z<=z) ሁለት-ጭራ | #ማካፈያ/0! | |
| z ወሳኝ ሁለት-ጭራ | 1.9599639845 |