BS 5497-1:1987

National foreword
Committees responsible
Method
0. Introduction
1. Scope
2. Field of application
Section one: General principles
3. Quantitative definitions of repeatability and
     reproducibility of a standard test method
4. Practical implications of the definitions
5. Statistical model
6. Design of a precision experiment
7. Analysis of the data
Section two: Organization of an inter-laboratory
precision experiment
8. Personnel requirements
9. Tasks and problems
10. Comments on clauses 8 and 9
Section three: Statistical analysis of the results of
and inter-laboratory experiment
11. Preliminary considerations
12. Cochran's test
13. Dixon's test
14. Computation of the mean level m, the repeatability
     r and the reproducibility R
15. Establishing a functional relationship between r
     (or R) and m
16. Statistical analysis as a step-by-step procedure
17. Reporting to, and decisions to be taken by, the
     panel
Section four: Utilization of precision data
18. Publication of repeatability and reproducibility
     values
19. Other critical differences derivable from r and R
20. Practical applications
Section five: Examples
21. General information
22. Uniform-level experiment with no missing or
     outlying data
23. Uniform-level experiment with missing data
24. Uniform-level experiment with outlying data
25. Split-level experiment with a single level
Annexes
A. Critical values for Cochran's test
B. Critical values for Dixon's test
C. Symbols and subscripts
Bibliography