BS 6001-4:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-04-2005
English
02-15-1994
Committees responsible
National foreword
Specification
Section 1. General
1.1 Scope
1.2 Normative references
1.3 Definitions and symbols
1.4 Principle of a sequential sampling plan by
attributes
Section 2. Choice of sampling plan
2.1 Choice between sequential, single, double and
multiple sampling plans
2.2 Particular reservations on the inspection of small
lots
2.3 Selection of a sampling plan
2.4 Pre-operation preparations
Section 3. Operation of a sequential sampling plan
3.1 Specification of the plan
3.2 Drawing of the sample
3.3 Cumulative count
3.4 Determination of acceptability
3.5 Operating characteristic curves and average sample
size
3.6 Validity of approximations
Annexes
A (normative) Sequential sampling plans corresponding
to ISO 2859-1 sampling plans
B (normative) Determination of the parameters of a
sequential sampling plan
C (normative) Calculation of the operating
characteristic curve and average sample siz
D (informative) Bibliography
Tables
1-A Sequential sampling plans for inspection for
percent nonconforming for producer's risk alpha =
0,05 and beta = 0,10
1-B Sequential sampling plans for inspection for
nonconformities per 100 items for producer's risk
alpha = 0,05 and consumer's risk beta = 0,10
2-A Sequential sampling plans for normal inspection for
percent nonconforming (master table)
2-B Sequential sampling plans for tightened inspection
for percent nonconforming (master table)
2-C Sequential sampling plans for normal inspection for
nonconformities per 100 items (master table)
2-D Sequential sampling plans for tightened inspection
for nonconformities per 100 items (master table)
3-A Curtailment values for sequential sampling plans
for normal inspection for percent nonconforming
3-B Curtailment values for sequential sampling plans
for tightened inspection for percent nonconforming
3-C Curtailment values for sequential sampling plans
for normal inspection for nonconformities per 100
items
3-D Curtailment values for sequential sampling plans
for tightened inspection for nonconformities per
100 items
4-A Average sample size for sequential sampling plans
for normal inspection for percent nonconforming
4-B Average sample size for sequential sampling plans
for tightened inspection for percent nonconforming
4-C Average sample size for sequential sampling plans
for normal inspection for nonconformities per 100
items
4-D Average sample size for sequential sampling plans
for tightened inspection for nonconformities per
100 items
Figures
1 Operating characteristic curve for a sampling plan
with producer's risk alpha = 0,05 and consumer's
risk beta = 0,10
2 Inspection record sheet for the sequential sampling
plan considered in the example given in 2.4.3.1
3 Acceptance chart for the sequential sampling plan
considered in the example given in 2.4.3.2
4 Inspection record sheet for the data of the example
given in 3.4.1
C.1 Operating characteristic curve for the sequential
sampling plan considered in example 1 of C.2.2
C.2 Operating characteristic curve for the sequential
sampling plan considered in example 2 of C.2.2
C.3 Curve showing the average sample size for the
sequential sampling plan considered in example 1 of
C.3.3
C.4 Curve showing the average sample size for the
sequential sampling plan considered in example 2 of
C.3.3
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