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Where n is the number of measurements, and xi is an individual measurement
Глоссарий по стандартизации, контролю и управлению качеством |
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Which the manufacturer has measured the values expected for different tests and different methods these “bottle values” are summarized on assay sheets and are useful for selecting control materials, however, they should not generally be used for setting t, английский
Westgard rules, westgard multi-rule control procedure, английский
A control procedure that uses a series of control rules to test the control measurements. a 12s rule is used as a warning, followed by use of 13s, 22s, r4s, 41s, and 10x as rejection rules.
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