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BS ISO 5725-3:2023

BS ISO 5725-3:2023

$198.66

Accuracy (trueness and precision) of measurement methods and results – Intermediate precision and alternative designs for collaborative studies

Published By Publication Date Number of Pages
BSI 2023 68
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
11 1 Scope
12 2 Normative references
3 Terms and definitions
13 4 Symbols
14 5 General requirements
15 6 Intermediate measures of the precision of a standard measurement method
6.1 Factors and factor levels
6.1.1 Definitions and examples
16 6.1.2 Selection of factors of interest
6.1.3 Random and fixed effects
17 6.1.4 Statistical model
19 6.2 Within-laboratory study and analysis of intermediate precision measures
6.2.1 Simplest approach
20 6.2.2 Alternative method
6.2.3 Effect of the measurement conditions on the final quoted result
21 7 Nested design
7.1 Balanced fully-nested design
22 7.2 Staggered-nested design
23 7.3 Balanced partially-nested design
24 7.4 Orthogonal array design
26 8 Design for heterogeneous material
8.1 Applications of the design for a heterogeneous material
27 8.2 Layout of the design for a heterogeneous material
8.3 Statistical analysis
9 Split-level design
9.1 Applications of the split-level design
29 9.2 Layout of the split-level design
9.3 Statistical analysis
10 Design across levels
10.1 Applications of the design across levels
30 10.2 Layout of the design across levels
10.3 Statistical analysis
11 Reliability of interlaboratory parameters
11.1 Reliability of precision estimates
31 11.2 Reliability of estimates of the overall mean
11.2.1 General
11.2.2 Balanced fully-nested design (2 factors)
11.2.3 Staggered nested design (2 factors)
11.2.4 Balanced partially-nested design
11.2.5 Orthogonal array design
32 11.2.6 Split-level design
33 Annex A (informative) Fully- and partially-nested designs
35 Annex B (informative) Analysis of variance for balanced fully-nested design
40 Annex C (informative) Analysis of variance for staggered design
48 Annex D (informative) Analysis of variance for the balanced partially-nested design (three factors)
51 Annex E (informative) Statistical model for an experiment with heterogeneous material
52 Annex F (informative) Analysis of variance for split-level design
54 Annex G (informative) Example for split-level design
57 Annex H (informative) Design across levels
58 Annex I (informative) Restricted maximum likelihood (REML)
59 Annex J (informative) Examples of the statistical analysis of intermediate precision experiment
65 Annex K (informative) Example for an analysis across levels
67 Bibliography

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BS ISO 5725-3:2023
$198.66