释义 |
type II error
type II errorn. Statistics The error of failing to reject a null hypothesis that is false. Also called beta error.type II error n (Statistics) statistics the error of not rejecting the null hypothesis when it is false. The probability of avoiding such an error is the power of the test and is a function of the alternative hypothesis type II error
type II error[‚tīp ′tü ‚er·ər] (statistics) One of two types of error in testing hypotheses: incorrectly accepting the hypothesis tested when an alternate hypothesis is true. Also known as error of the second kind. type II error
error [er´or] a defect or mistake in structure or function.inborn error of metabolism a genetically determined biochemical disorder in which a specific enzyme defect produces a metabolic block that may have pathologic consequences at birth, as in phenylketonuria, or in later life.measurement error the difference between what exists in reality and what is measured by a measurement method.Type I error the rejection of a hypothesis" >null hypothesis that is true.Type II error acceptance of a hypothesis" >null hypothesis that is false.er·ror of the sec·ond kindin a Neyman-Pearson test of a statistical hypothesis, the probability of accepting the null hypothesis when it is false; the complement of the power of the test. Synonym(s): beta error, type II errortype II error β error, false-negative error Statistics Acceptance of the null hypothesis when it is false or incorrect, or the error of falsely stating that two proportions are not significantly different when they actually are. See Null hypothesis Cf Type 1 error. LegalSeeerrorFinancialSeeBeta Error |