Paired t-test

Calculates the paired t-Test of two data samples.

Lai piekļūtu Ŕai komandai...

From the menu bar:

Choose Data - Statistics - Paired t-test

From the tabbed interface:

Choose Data - Statistics - Paired t-test.

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


A paired t-test is any statistical hypothesis test that follows a Student's t distribution.

note

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


Dati

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.

Grupēts pēc

Select whether the input data has columns or rows layout.

Open file with example:

Piemērs

SekojoŔai tabulai ir divas datu kopas.

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 paired t-test:

The following table shows the paired t-test for the data series above:

paired t-test

Alfa

0.05

Hipotētiskā vidējo starpība

0

Mainīgais 1

Mainīgais 2

Vidējais

16.9230769231

20.4615384615

Dispersija

125.0769230769

94.4358974359

Novērojumi

13

13

Pīrsona korelācija

-0.0617539772

Novērotā vidējo starpība

-3.5384615385

Starpību dispersija

232.9358974359

df

12

t statistika

-0.8359262137

P (T<=t) vienpusējai alternatīvai

0.2097651442

t kritiskā vērtība vienpusējai alternatīvai

1.7822875556

P (T<=t) divpusējai alternatīvai

0.4195302884

t kritiskā vērtība divpusējai alternatīvai

2.1788128297


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