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2. Laboratory quality control - Wikipedia

   en.wikipedia.org/wiki/Laboratory_quality_control

   An example of a Levey–Jennings chart with upper and lower limits of one and two times the standard deviation. A Levey–Jennings chart is a graph that quality control data is plotted on to give a visual indication whether a laboratory test is working well. The distance from the mean is measured in standard deviations.

3. Westgard rules - Wikipedia

   en.wikipedia.org/wiki/Westgard_Rules

   The Westgard rules are a set of statistical patterns, each being unlikely to occur by random variability, thereby raising a suspicion of faulty accuracy or precision of the measurement system. They are used for laboratory quality control, in "runs" consisting of measurements of multiple samples. They are a set of modified Western Electric rules ...

4. Levey–Jennings chart - Wikipedia

   en.wikipedia.org/?title=Levey–Jennings_chart...

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5. Control chart - Wikipedia

   en.wikipedia.org/wiki/Control_chart

   Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) [1] The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or deviates from the control limit line.

6. Talk:Levey–Jennings chart - Wikipedia

   en.wikipedia.org/wiki/Talk:Levey–Jennings_chart

   The Levey-Jennings chart differs from the Shewhart Individuals control chart in the way sigma is estimated. The Levey-Jennings chart uses the long-term (i.e., population) estimate of sigma whereas the Shewhart chart uses the short-term (i.e., within the rational subgroup) estimate. John 72.153.169.233 ( talk) 21:41, 30 November 2009 (UTC) reply.

7. 3D Slicer - Wikipedia

   en.wikipedia.org/wiki/3D_Slicer

   3D Slicer (Slicer) is a free and open source software package for image analysis [1][2] and scientific visualization. Slicer is used in a variety of medical applications, including autism, multiple sclerosis, systemic lupus erythematosus, prostate cancer, lung cancer, breast cancer, schizophrenia, orthopedic biomechanics, COPD, cardiovascular ...

8. EU delays new biometric travel checks as IT systems not up to ...

   www.aol.com/news/eu-delays-biometric-travel...

   October 10, 2024 at 9:56 AM. BRUSSELS (Reuters) - The European Union has delayed the introduction of a new biometric entry-check system for non-EU citizens, which was due to be introduced on Nov ...

9. Interference colour chart - Wikipedia

   en.wikipedia.org/wiki/Interference_colour_chart

   Interference colour chart. In optical mineralogy, an interference colour chart, also known as the Michel-Levy chart, is a tool first developed by Auguste Michel-Lévy to identify minerals in thin section using a petrographic microscope. With a known thickness of the thin section, minerals have specific and predictable colours in cross ...