F-test

Calculates the F-Test of two data samples.

このコマンドの見つけ方

From the menu bar:

Choose Data - Statistics - F-test

From the tabbed interface:

Choose Data - Statistics - F-test.

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


A F-test is any statistical test based on the F-distribution under the null hypothesis.

note

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


データ

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:

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 F-Test:

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

Ftest

Alpha

0.05

変数1

変数2

平均値

16.9230769231

20.4615384615

分散

125.0769230769

94.4358974359

観測

13

13

自由度

12

12

F

1.3244637524

P (F<=f) right-tail

0.3170614146

F Critical right-tail

2.6866371125

P (F<=f) left-tail

0.6829385854

F Critical left-tail

0.3722125312

P two-tail

0.6341228293

F Critical two-tail

0.3051313549

3.277277094


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