Norm

NEN-ISO 13909-8:2002 en

Steenkool en cokes - Mechanische monsterneming - Deel 8: Methoden voor de vaststelling van de systematische afwijking

  • Deze norm is ingetrokken sinds 27-06-2016

114,67

Over deze norm

Status Ingetrokken
Aantal pagina's 31
Commissie Vaste Minerale Brandstoffen
Gepubliceerd op 01-02-2002
Taal Engels
Sets out principles and procedures for testing the bias of test samples of hard coals or cokes, taken in accordance with other parts of this standard. The use of univariate statistical methods only is addressed. The user is cautioned that the chance of falsely concluding that there is a bias when no bias exists in any one of several variables mesured on the same set of samples is substantially greater than for a single variable. While several variables may be measured, the variable on which the outcome of the test will be governed shall be designated in advance.

Details

ICS-code 73.040
75.160.10
Nederlandse titel Steenkool en cokes - Mechanische monsterneming - Deel 8: Methoden voor de vaststelling van de systematische afwijking
Engelse titel Hard coal and coke - Mechanical sampling - Part 8: Methods of testing for bias
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