THIS is a bright and original treatment of a subject voted by many as dull, however necessary it may be for the experimentalist to discuss with care the accuracy of the end result of his measurements ...

Interpreting Control Charts Control charts are designed to support decision-making by distinguishing expected variation from signals that require investigation. Common challenges in practice include ...

Few examples of random and systematic errors using Westgard rules, 1. Random Error – Examples Example 1 (R₄s rule) Two control levels are run together Level 1 ...