BSI PD ISO/TR 21074:2016
$142.49
Application of ISO 5725 for the determination of repeatability and reproducibility of precision tests performed in standardization work for chemical analysis of steel
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Precision test 4.1 Structure of the precision test |
| 8 | 4.2 Homogeneity of samples 4.3 Number of laboratories and number of levels 5 Representation of the experimental results 5.1 General 5.2 Table of results and number of decimal places |
| 9 | 5.3 Graphical representation of the data 5.3.1 General 5.3.2 Data plot |
| 10 | 6 Statistical evaluation |
| 11 | 6.1 Cochran’s test |
| 12 | 6.2 Grubbs’ test 6.2.1 General |
| 13 | 6.2.2 Grubbs’ test for one outlier observation 6.2.3 Grubbs’ test for two outlier observations |
| 14 | 6.3 Treatment of outlier observations 6.4 Calculation of precision |
| 15 | 6.5 Representation of the results of the statistical evaluations |
| 19 | 6.6 Functions linking the level and the precision parameters |
| 21 | 7 Determining smoothed precision and scope |
| 22 | Bibliography |
