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2. Laboratory quality control - Wikipedia

   en.wikipedia.org/wiki/Laboratory_quality_control

   A control chart is a more specific kind of run chart. The control chart is one of the seven basic tools of quality control, which also include the histogram, pareto chart, check sheet, cause and effect diagram, flowchart and scatter diagram. Control charts prevent unnecessary process adjustments, provide information about process capability ...

3. Control-flow diagram - Wikipedia

   en.wikipedia.org/wiki/Control-flow_diagram

   Process-control-flow diagram, used in process management; Quality-control-flow diagram, used in quality control. In software and systems development, control-flow diagrams can be used in control-flow analysis, data-flow analysis, algorithm analysis, and simulation. Control and data are most applicable for real time and data-driven systems.

4. x̅ and s chart - Wikipedia

   en.wikipedia.org/wiki/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).

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. Statistical process control - Wikipedia

   en.wikipedia.org/wiki/Statistical_process_control

   Statistical process control (SPC) or statistical quality control (SQC) is the application of statistical methods to monitor and control the quality of a production process. This helps to ensure that the process operates efficiently, producing more specification-conforming products with less waste scrap.

7. Quality control - Wikipedia

   en.wikipedia.org/wiki/Quality_control

   The use of control charts to monitor an individual industrial process and feed back performance to the operators responsible for that process; inspired by control systems: Company-wide quality control (CWQC) 1968: Japanese-style total quality control. [11] Total quality management (TQM) 1985: Quality movement originating in the United States ...