cKb9k‖

GEv5d‖Paired t-test

TXtGV‖Calculates the paired t-Test of two data samples.

To access this command...

ebLJB‖From the menu bar:

FAvi8‖Choose Data - Statistics - Paired t-test

qBbLh‖From the tabbed interface:

FUFiY‖Choose Data - Statistics - Paired t-test.

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


3ngCe‖A paired t-test is any statistical hypothesis test that follows a Student's t distribution.

note

hdi8H‖For more information on paired t-tests, refer to the corresponding Wikipedia article.


BEkGF‖Data

aU9k6‖Variable 1 range: The reference of the range of the first data series to analyze.

27zQ4‖Variable 2 range: The reference of the range of the second data series to analyze.

8D2Gp‖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


KcmaB‖Results for paired t-test:

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

rDVBE‖paired t-test

pFrdF‖Alpha

0.05

da77D‖Hypothesized Mean Difference

0

tJarn‖Variable 1

kfGaW‖Variable 2

ttThs‖Mean

16.9230769231

20.4615384615

G7NDq‖Variance

125.0769230769

94.4358974359

AsmDu‖Observations

13

13

MmDD2‖Pearson Correlation

-0.0617539772

Nqq8i‖Observed Mean Difference

-3.5384615385

vDgsc‖Variance of the Differences

232.9358974359

iheHx‖df

12

mAixM‖t Stat

-0.8359262137

utcA9‖P (T<=t) one-tail

0.2097651442

7mezL‖t Critical one-tail

1.7822875556

GdcRG‖P (T<=t) two-tail

0.4195302884

kh5E7‖t Critical two-tail

2.1788128297