Definition:Control Chart/Control Line
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Definition
A control line in a control chart is one of a number (usually $2$) of straight lines a predetermined distance away from the target line, between which the measurements of the property being measured are expected to lie.
Also see
- Results about control charts can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): control chart
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): control chart