Paired t-test

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About

Test designed to show whether paired observations come from distributions with the same mean.

Requires

Y variables and X variables to be compared. Tests with matching Y and X variables are not allowed.

Feature

Where one value of any data pair is missing, both values are ignored.

Parameters

Paired-t dialog

Variables

Select one or more Y variables and one or more X variables (See Selecting variables for details). Output will be produced for each pair of Y and X variables, dependant on the block mode selected.

Pairing

Defines how the Y variables and X variables are compared. (See Performing multiple analyses for details)

Options

Subtitle

Allows you to specify an optional subtitle which will be included in the statistical output.

Filters

Paired-t dialog

Allows you to select rows for analysis based upon conditions in other variables (See Filtering datasets for details)

Buttons

?

Opens the help system for this dialog.

Dataset…

Sends the output from this analysis to a new OxonStat Dataset. See Dataset output for more details.

Print…

Sends the output from this analysis to a printer.

Cancel

Cancels the analysis and closes the dialog.

Screen…

Displays the output from this analysis in the Results window.

Sample output

OxonStat19:55, 10 Sep 2026

Compare:Weight_1 and Age
Subtitle:<none>
Statistic:Paired t-Test
Dataset:OxonStat Demo
Range:Row 1 [ID00001] to Row 38 [ID00038]
Filter:<no filter>
Count:38 of 38 rows selected

Weight_1AgeDifference
Mean81.884256.044725.8395
SD21.46687.678725.0074
SEM3.48241.24574.0567

tdfp
6.37037<0.0001



OxonStat19:55, 10 Sep 2026

Compare:Weight_1 and Sex
Subtitle:<none>
Statistic:Paired t-Test
Dataset:OxonStat Demo
Range:Row 1 [ID00001] to Row 38 [ID00038]
Filter:<no filter>
Count:38 of 38 rows selected

Weight_1SexDifference
Mean81.88421.263280.6211
SD21.46680.446321.4440
SEM3.48240.07243.4787

tdfp
23.17637<0.0001



OxonStat19:55, 10 Sep 2026

Compare:Height and Age
Subtitle:<none>
Statistic:Paired t-Test
Dataset:OxonStat Demo
Range:Row 1 [ID00001] to Row 38 [ID00038]
Filter:<no filter>
Count:38 of 38 rows selected

HeightAgeDifference
Mean169.676356.0447113.6316
SD9.08427.678712.8334
SEM1.47361.24572.0819

tdfp
54.58237<0.0001



OxonStat19:55, 10 Sep 2026

Compare:Height and Sex
Subtitle:<none>
Statistic:Paired t-Test
Dataset:OxonStat Demo
Range:Row 1 [ID00001] to Row 38 [ID00038]
Filter:<no filter>
Count:38 of 38 rows selected

HeightSexDifference
Mean169.67631.2632168.4132
SD9.08420.44639.3719
SEM1.47360.07241.5203

tdfp
110.77537<0.0001