BS ISO 13909-8:2001:2008 Edition
$167.15
Hard coal and coke. Mechanical sampling – Methods of testing for bias
| Published By | Publication Date | Number of Pages |
| BSI | 2008 | 40 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Hard coal and coke�— Mechanical sampling�— |
| 5 | Contents Page |
| 6 | Foreword |
| 7 | Introduction |
| 9 | Hard coal and coke�— Mechanical sampling�— 1��� Scope 2��� Normative references 3��� Terms and definitions |
| 10 | 4��� Principles 4.1��� General |
| 11 | 4.2��� Selection of sample pairs 4.2.1��� Composition of sample pairs 4.2.2��� Paired-increment samples 4.2.3��� Paired-batch samples 4.3��� Location of sampling points |
| 12 | 5��� Outline of procedure 6��� Pre-test inspection |
| 13 | 7��� Reference methods 7.1��� Overall system |
| 14 | 7.2��� Primary increment samplers 7.3��� Subsystems and components 8��� Choice of variables for the test 9��� Choice of fuel for the test 9.1��� Coal |
| 15 | 9.2��� Coke 10��� Conduct of the test 10.1��� Establishing detailed test procedures 10.1.1��� General 10.1.2��� Testing the whole system 10.1.3��� Testing components |
| 16 | 10.2��� Collection of test sample 10.3��� Special precautions for moisture-test samples 10.4��� Documentation |
| 17 | 11��� Statistical analysis and interpretation 11.1��� Outline of procedure 11.2��� Basic statistics 11.2.1��� General |
| 18 | 11.2.2��� Mean 11.2.3��� Variance 11.2.4��� Standard deviation 11.3��� Outliers 11.3.1��� General |
| 19 | 11.3.2��� Statistical procedure for identifying outliers 11.4��� Estimation of number of pairs required |
| 21 | 11.5��� Tests for homogeneity 11.5.1��� General |
| 24 | 11.5.2��� Identical variances test 11.5.3��� Identical means test |
| 25 | 11.5.4��� Combination of data |
| 26 | 11.6��� Test for independence of differences 11.7��� Final assessment of bias 11.7.1��� Obvious bias condition |
| 28 | 11.7.2��� Test for significant difference from 11.7.3��� Test for significant difference from zero 12��� Test report |
| 30 | Specimen calculations A.1��� Data A.2��� Specimen calculation No. 1 A.2.1��� Basic statistics |
| 31 | A.2.2��� Graphical analysis A.2.2.1��� General A.2.2.2��� Reference against system values |
| 32 | A.2.2.3��� Differences against reference values |
| 33 | A.2.2.4��� Differences against serial number A.2.2.5��� Differences against flow rate A.2.3��� Outliers |
| 34 | A.2.4��� Tabulated data |
| 35 | A.2.5��� Test for independence of differences |
| 36 | A.2.6��� Basic statistics A.2.7��� Number of pairs required A.2.8��� Final assessment of bias |
| 37 | A.3��� Specimen calculation No. 2 A.3.1��� General A.3.2��� Calculate the basic statistics for original and new data pairs A.3.3��� Identical variances test A.3.4��� Identical means test of means of differences, |
| 39 | Bibliography |
