Definition:Error of First or Second Type
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Definition
Type $\text I$ Error
A type $\text I$ error is the rejection of a true null hypothesis as the result of a test procedure.
Type $\text {II}$ Error
A type $\text {II}$ error is the failure to reject a false null hypothesis as the result of a test procedure.
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): error: 2.
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Type I or II Error
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Type I or II Error