t-test

Or t test

[tee-test]

noun

Statistics.

1. a test for determining whether or not the mean of an observed sample differs significantly from the mean of another sample or of a hypothetical normal population.

Word History and Origins

Origin of t-test¹

First recorded in 1930–35; Student's t distribution ( def. )

Example Sentences

The finding about reduced authoritarianism barely met the threshold of significance –– and with a one-tailed t-test.

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P = 0.015 and P = 0.002, two-sided Student’s t-test.

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P values based on a one-sided t-test are shown. b, The average ATAC-seq enrichment for each stage is shown at the promoters of stage specific genes at the same stage identified by mRNA-seq.

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Statistical analysis was performed using a two-tailed t-test; data are mean ± s.e.m.

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Also listed are the log-fold enrichment and depletion scores of each shRNA and false-discovery rates as assigned using an Emperical-bayes moderated t-test.

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