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2. Shewhart individuals control chart - Wikipedia

   en.wikipedia.org/wiki/Shewhart_individuals...

   Shewhart individuals control chart. In statistical quality control, the individual/moving-range chart is a type of control chart used to monitor variables data from a business or industrial process for which it is impractical to use rational subgroups. [1] The chart is necessary in the following situations: [2]: 231.

3. 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.

4. Template:Infobox control chart/doc - Wikipedia

   en.wikipedia.org/wiki/Template:Infobox_control...

   Download as PDF; Printable version; This is a documentation subpage for Template:Infobox control chart. It may contain usage information, categories and other content ...

5. x̅ and s chart - Wikipedia

   en.wikipedia.org/wiki/X̅_and_s_chart

   x̅. and s chart. In statistical quality control, the and s chart is a type of control chart used to monitor variables data when samples are collected at regular intervals from a business or industrial process. [1] This is connected to traditional statistical quality control (SQC) and statistical process control (SPC).

6. Laboratory quality control - Wikipedia

   en.wikipedia.org/wiki/Laboratory_quality_control

   Laboratory quality control is designed to detect, reduce, and correct deficiencies in a laboratory's internal analytical process prior to the release of patient results, in order to improve the quality of the results reported by the laboratory. Quality control (QC) is a measure of precision, or how well the measurement system reproduces the ...

7. u-chart - Wikipedia

   en.wikipedia.org/wiki/U-chart

   u-chart. In statistical quality control, the u-chart is a type of control chart used to monitor "count"-type data where the sample size is greater than one, typically the average number of nonconformities per unit. The u-chart differs from the c-chart in that it accounts for the possibility that the number or size of inspection units for which ...

8. Distribution-free control chart - Wikipedia

   en.wikipedia.org/.../Distribution-free_Control_Chart

   Distribution-free (nonparametric) control charts are one of the most important tools of statistical process monitoring and control. Implementation techniques of distribution-free control charts do not require any knowledge about the underlying process distribution or its parameters. The main advantage of distribution-free control charts is its ...

9. x̅ and R chart - Wikipedia

   en.wikipedia.org/wiki/X̅_and_R_chart

   x̅ and R chart. x̅. and R chart. In statistical process control (SPC), the and R chart is a type of scheme, popularly known as control chart, used to monitor the mean and range of a normally distributed variables simultaneously, when samples are collected at regular intervals from a business or industrial process. [1]