ASTM-D4854 1995

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D4854-95 Standard Guide for Estimating the Magnitude of Variability from Expected Sources in Sampling Plans

Published By	Publication Date	Number of Pages
ASTM	1995	6

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Description

ASTM D4854-95

Historical Standard: Standard Guide for Estimating the Magnitude of Variability from Expected Sources in Sampling Plans

ASTM D4854

Scope

1.1 This guide serves as an aid to subcommittees in writing specifications and sampling procedures.

1.2 The guide explains how to estimate the contributions of the variability of lot sampling units, laboratory sampling units, and specimens to the variation of the test result of a sampling plan.

1.3 The guide explains how to combine the estimates of the variability from the three sources to obtain an estimate of the variability of the sampling plan results.

1.4 The guide is applicable to all sampling plans that produce variables data (Note 1). It is not applicable to plans that produce attribute data, since such plans do not take specimens in stages, but require that specimens be taken at random from all of the individual items in the lot. Note 0This guide is applicable to all sampling plans that produce variables data regardless of the kind of frequency distribution of these data, because no estimates are made of any probabilities.

1.5 This guide includes the following topics:

Keywords

sampling plans; statistics; variability

ICS Code

ICS Number Code

DOI: 10.1520/D4854-95

Additional information

	Number
Significance and Use	4
Terminology	3
Keywords	7
Topic Title	Section
Scope	1
A Numerical Example	Annex A2
Referenced Documents	2
Reducing Variability of Sampling Results	6
Analysis of Data Using ANOVA	Annex A1
Sampling Plans Producing Variables Data	5