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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-테스트 | ||
| 알파 | 0.05 | |
| 추정된 평균 차이 | 0 | |
| 변수 1 | 변수 2 | |
| 알려진 분산 | 0 | 0 | 
| 평균값 | 16.9230769231 | 20.4615384615 | 
| 관찰 | 13 | 13 | 
| 관찰된 평균 차이 | -3.5384615385 | |
| z | #DIV/0! | |
| P (Z<=z) 한 개 꼬리 | #DIV/0! | |
| z 임계 한 개 꼬리 | 1.644853627 | |
| P (Z<=z) 두 개 꼬리 | #DIV/0! | |
| z 임계 두 개 꼬리 | 1.9599639845 |