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A line chart that indicates upper and lower control limits for desired performance. Plot points beyond the limits are considered unacceptable.
University of Michigan
A time-series run chart, with statistically determined upper and lower control limits and a centerline.
The Lean Institute - University of Oklahoma
A graphic representation of a characteristic of a process, showing plotted values of some statistic gathered from that characteristic, and one or two control limits. 
A chart showing how a process is operating over time, with time or successive items or batches as the x-axis. On the y-axis are plotted key measures of the process and the limits (upper and lower control limits) in which the process is expected operate. Applicable to all types of process: manufacturing, transactional and services. Used to highlight out of control behaviour due to special cause variation. See Statistical Process Control.
Silcon Beach Training
Multivariate Control Chart
Trend Control Chart
Statistical Process Control(SPC)
Lower Control Limit (LCL)
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