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t-Statistic - The t statistic is used to determine whether two means are statistically different. The formula uses the means of the two samples, their standard deviation and sample size. The t value is then evaluated against your alpha to determine if your null hypothesis can be rejected or not.
[Category=Data Quality ]
Source: iSixSigma, 27 February 2011 10:40:32, https:web.archive.org/web/20111109014246/http:www.isixsigma.com/index.php?option=com_glossary
Data Quality Glossary. A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl