Z-test

Calculates the z-Test of two data samples.

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Z menijoweje lajsty:

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Z powjercha z rajtarkami:

Wubjerće Daty – Statistika – Z-test….

Wubjerće Statistika – Z-test… w meniju Daty rajtarka Daty.


note

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


Daty

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.

Přikład

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-test

Alfa

0.05

Hypotetiska diferenca srjedźnych hódnotow

0

Wariabla 1

Wariabla 2

Znata warianca

0

0

Přerězk

16.9230769231

20.4615384615

Wobkedźbowanja

13

13

Wobkedźbowana diferenca srjedźnych hódnotow

-3.5384615385

z

#DIV/0!

P (Z<=z) jednobóčny

#DIV/0!

z-kritiski jednobóčny

1.644853627

P (Z<=z) dwubóčny

#DIV/0!

z-kritiski dwubóčny

1.9599639845