Paired t-test

Calculates the paired t-Test of two data samples.

Para acceder a esta orde...

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.


Data

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.

Agrupado por

Select whether the input data has columns or rows layout.

Abrir ficheiro cun exemplo:

Exemplo

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 paired t-test:

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

paired t-test

Alfa

0.05

Diferenza de media hipotética

0

Variábel 1

Variábel 2

Media

16.9230769231

20.4615384615

Varianza

125.0769230769

94.4358974359

Observacións

13

13

Correlación de Pearson

-0.0617539772

Diferenza media observada

-3.5384615385

Varianza das diferenzas

232.9358974359

df

12

Estatísticas t

-0.8359262137

P (T<=t) unha cola

0.2097651442

t Crítico unha cola

1.7822875556

P (T<=t) dúas colas

0.4195302884

t Crítico dúas colas

2.1788128297


Precisamos da súa axuda!