Z-test

Calculates the z-Test of two data samples.

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From the menu bar:

Choose Data - Statistics - Z-test

From the tabbed interface:

Choose Data - Statistics - Z-test.

On the Data menu of the Data tab, choose Statistics - Z-test.


note

For more information on Z-tests, refer to the corresponding Wikipedia article.


Datumoj

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.

Grouped By

Select whether the input data has columns or rows layout.

Malfermi dosieron kun ekzemplo:

Ekzemplo

The following table has two data sets.

A

B

1

28

19

2

26

13

3

31

12

4

23

5

5

20

34

6

27

31

7

28

31

8

14

12

9

4

24

10

0

23

11

2

19

12

8

10

13

9

33


Results for z-Test:

The following table shows the z-Test for the data series above:

z-testo

Alfo

0.05

Hipoteza averaĝa diferenco

0

Variablo 1

Variablo 2

Konata varianco

0

0

Mezumo

16.9230769231

20.4615384615

Observoj

13

13

Observita averaĝa diferenco

-3.5384615385

z

#DIV/0!

P (Z<=z) unuvosta

#DIV/0!

z krita unuvosta

1.644853627

P (Z<=z) duvosta

#DIV/0!

z krita duvosta

1.9599639845


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