ISO/TR 24430:2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
03-15-2019
English, French
10-22-2003
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for an interlaboratory precision experiment
4.1 General
4.2 Personnel requirements
4.2.1 The executive officer/project manager
4.2.2 The statistician
4.2.3 The operator
4.3 Instructions for the interlaboratory trial
4.3.1 Test method
4.3.2 Measurement range
4.3.3 Sampling and transport
4.3.4 Number and labelling of samples
4.3.5 Number of observations to be made
4.3.6 Timing of the experiment
4.3.7 Test report
4.3.8 Comments
4.4 Minimum conditions for interlaboratory experiments
4.4.1 Participating laboratories
4.4.2 The number and distribution of samples
5 Conducting the test
5.1 Programme
5.2 Pilot run
5.3 Progress monitor
5.4 Replacement samples
5.5 Inspection of data
6 Computing the precision - The statistical analysis
6.1 Data correction
6.1.1 Redundant data
6.1.2 Missing data
6.1.3 Outliers
6.2 Dependence of precision on level
6.3 Calculation of precision
7 Reporting precision values
Annex A Description of the process
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