bWFPL‖

UTG4f‖F-test

qHRjW‖Calculates the F-Test of two data samples.

To access this command...

ebLJB‖From the menu bar:

LAVdv‖Choose Data - Statistics - F-test

qBbLh‖From the tabbed interface:

vJXsQ‖Choose Data - Statistics - F-test.

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


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

note

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


GxHaD‖Data

jtjaQ‖Variable 1 range: The reference of the range of the first data series to analyze.

qzYBv‖Variable 2 range: The reference of the range of the second data series to analyze.

MvvMT‖Results to: The reference of the top left cell of the range where the test will be displayed.

CxAAD‖Grouped By

AppmZ‖Select whether the input data has columns or rows layout.

MiUAf‖Example

uZ5BP‖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


Greqo‖Results for F-Test:

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

git3T‖Ftest

WsA4s‖Alpha

0.05

xj9Se‖Variable 1

p5piv‖Variable 2

YA2dy‖Mean

16.9230769231

20.4615384615

8MXro‖Variance

125.0769230769

94.4358974359

W2J6x‖Observations

13

13

DqgMQ‖df

12

12

BJ3Vi‖F

1.3244637524

AasLh‖P (F<=f) right-tail

0.3170614146

FVAJa‖F Critical right-tail

2.6866371125

zBzCY‖P (F<=f) left-tail

0.6829385854

LA56M‖F Critical left-tail

0.3722125312

9ZNSy‖P two-tail

0.6341228293

dQ4WA‖F Critical two-tail

0.3051313549

3.277277094