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.


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.

Csoportosítva

Válassza ki, hogy a bemenő adatok oszlopok vagy sorok szerint vannak-e rendezve.

Example

A következő táblázat két adathalmazt tartalmaz.

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

Alpha

0.05

Hypothesized Mean Difference

0

Variable 1

Variable 2

Mean

16.9230769231

20.4615384615

Variance

125.0769230769

94.4358974359

Observations

13

13

Pearson Correlation

-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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