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Student's t-test

[tee-test]
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noun Statistics.
  1. a test for determining whether or not an observed sample mean differs significantly from a hypothetical normal population mean.

Origin of Student's t-test

First recorded in 1945–50; see origin at Student's t distribution
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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