Paired t-test

Calculates the paired t-Test of two data samples.

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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.


Dades

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.

Agrupat per

Select whether the input data has columns or rows layout.

Exemple

La taula següent conté dos conjunts de dades.

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

Hypothesized Mean Difference

0

Variable 1

Variable 2

Mean

16.9230769231

20.4615384615

Variance

125.0769230769

94.4358974359

Observacions

13

13

Correlació de Pearson

-0.0617539772

Observed Mean Difference

-3.5384615385

Variance of the Differences

232.9358974359

df

12

t Stat

-0.8359262137

P (T<=t) one-tail

0.2097651442

t Critical one-tail

1.7822875556

P (T<=t) two-tail

0.4195302884

t Critical two-tail

2.1788128297


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