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Collections

National standards and national normative documents

Publication date

October 1993

Number of pages

47 p.

Reference

NF ISO 8422

ICS Codes

03.120.30 Application of statistical methods

Classification index

X06-024

Print number

1 - octobre 1993

International kinship

ISO 8422:1991

Replaced standards (1)

NF X06-024

July 1989

Standard Cancelled

Application of statistics. Sequential sampling plans for inspection by attributes.

Standard replaced by (2)

NF ISO 2859-5

October 2005

Standard Current

Sampling procedures for inspection by attributes -- Part 5: System of sequential sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection

NF ISO 8422

December 2006

Standard Cancelled

Sequential sampling plans for inspection by attributes

Table of contents

Section 1 Généralités
1
1.1 Domaine d'application
1
1.2 Références normatives
1
1.3 Définitions et symboles
2
1.4 Principe du plan d'échantillonnage progressif par attributs
3
Section 2 Choix d'un plan d'échantillonnage
5
2.1 Choix entre des plans d'échantillonnage progressif, simple, double et multiple
5
2.2 Réserves particulières sur le contrôle de petits lots
5
2.3 Sélection d'un plan d'échantillonnage
6
2.4 Opérations préliminaires
6
Section 3 Mise en oeuvre d'un plan d'échantillonnage progressif
11
3.1 Spécification du plan
11
3.2 Prélèvement de l'échantillon
11
3.3 Résultat du cumul
11
3.4 Détermination de l'acceptabilité
12
3.5 Courbes d'efficacité et effectif moyen d'échantillon
12
3.6 Validité des approximations
13
Annexes
538
A Plans d'échantillonnage progressif correspondant aux plans d'échantillonnage de l'ISO 2859-1
18
B Détermination des paramètres pour un plan d'échantillonnage progressif
40
C Calcul de la courbe d'efficacité et de l'effectif moyen d'échantillon
42
D Bibliographie
47

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