ISO/TR 7242:1981
Chemical analysis of light metals and their alloys; Statistical interpretation of inter-laboratory trials

Standard No.

ISO/TR 7242:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Latest

ISO/TR 7242:1981

Scope

This Technical Report constitutes an attempt to explain the numerical results of a statistical examination in the simplest possible way and to show how statistical results can be used in laboratory practice. This simplified method is applicable when the number of laboratories is not more than 20 and when the number of results per laboratory is not more than 10.

ISO/TR 7242:1981 history

• 1981 ISO/TR 7242:1981 Chemical analysis of light metals and their alloys; Statistical interpretation of inter-laboratory trials