Z-test

Calculates the z-Test of two data samples.

이 명령을 사용하려면...

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.


데이터

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.

Open file with example:

예제

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-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


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