ASTM E 2334 : 2009 : R2023
Current
The latest, up-to-date edition.
Standard Practice for Setting an Upper Confidence Bound for a Fraction or Number of Non-Conforming items, or a Rate of Occurrence for Non-Conformities, Using Attribute Data, When There is a Zero Response in the Sample
Hardcopy , PDF
English
07-02-2023
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
E 11
|
| DocumentType |
Standard Practice
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| Pages |
10
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| PublisherName |
American Society for Testing and Materials
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| Status |
Current
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| Supersedes |
1.1This practice presents methodology for the setting of an upper confidence bound regarding a unknown fraction or quantity non-conforming, or a rate of occurrence for nonconformities, in cases where the method of attributes is used and there is a zero response in a sample. Three cases are considered.
1.1.1The sample is selected from a process or a very large population of discrete items, and the number of non-conforming items in the sample is zero.
1.1.2A sample of items is selected at random from a finite lot of discrete items, and the number of non-conforming items in the sample is zero.
1.1.3The sample is a portion of a continuum (time, space, volume, area, etc.) and the number of non-conformities in the sample is zero.
1.2Allowance is made for misclassification error in this practice, but only when misclassification rates are well understood or known and can be approximated numerically.
1.3The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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