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Student's t-test

[tee-test] /ˈtiˌtɛst/
noun, Statistics.
1.
a test for determining whether or not an observed sample mean differs significantly from a hypothetical normal population mean.
Origin
1945-1950
1945-50; see Student's t distribution
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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