# Difference between revisions of "TTestPaired Command"

From GeoGebra Manual

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## Revision as of 21:25, 9 March 2013

- TTestPaired[<List of Sample Data 1>,<List of Sample Data 2>,<Tail>]
- Performs a paired T test using the given lists of paired sample data.
*Tail*has possible values "<", ">" , "≠" that determine the following alternative hypotheses:- "<" = μ < 0
- ">" = μ > 0
- "≠" = μ ≠ 0
- ( μ is the mean paired difference of the population)

- Results are returned in list form as {Probabilty value, T test statistic}.