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Standard Practice for Acceptance of Evidence Based on the Results of Probability Sampling
STANDARD published on 1.1.1997
Designation standards: ASTM E141-91(1997)
Note: WITHDRAWN
Publication date standards: 1.1.1997
SKU: NS-41661
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
Acceptance criteria/testing, Evidence, Sampling, Sampling-probability sampling, Statistical methods, acceptance of evidence based on results of probability sampling,, practice, ICS Number Code 03.120.30 (Application of statistical methods)
1. Scope | ||||||||||
1.1 This practice presents rules for accepting or rejecting evidence based on a sample. Statistical evidence for this practice is in the form of an estimate of a proportion, an average, a total, or other numerical characteristic of a finite population or lot. It is an estimate of the result which would have been obtained by investigating the entire lot or population under the same rules and with the same care as was used for the sample. 1.2 One purpose of this practice is to describe straightforward sample selection and data calculation procedures so that courts, commissions, etc. will be able to verify whether such procedures have been applied. The methods may not give least uncertainty at least cost, they should however furnish a reasonable estimate with calculable uncertainty. 1.3 This practice is primarily intended for one-of-a-kind studies. Repetitive surveys allow estimates of sampling uncertainties to be pooled; the emphasis of this practice is on estimation of sampling uncertainty from the sample itself. The parameter of interest for this practice is effectively a constant. Thus, the principal inference is a simple point estimate to be used as if it were the unknown constant, rather than, for example, a forecast or prediction interval or distribution devised to match a random quantity of interest. |
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2. Referenced Documents | ||||||||||
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