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This video will explore "SPC: Stoplight Control Chart".
Walter Shewhart and W Edward Deming have done tremendous work to understand the variation in the process and its causes through statistical studies (mean, range, UCL, LCL, Cp, Cpk, Pp, Ppk, p, np, c, u). Understanding these variations is important to improving quality, reducing costs, and increasing productivity (QCD).
Control charts are plotted to understand the variation in the process for variable and attribute data. Different types of control charts are plotted based on the type of data and criticality of the problem. By understanding these charts and taking suitable actions, the process can be brought under statistical control.
The purpose of the SPC study is to understand the process variation. The Stoplight control chart can be used where the competence of the operator is low and the process is stable. By using Green, Yellow and Red colours, the monitoring of the process performance can be done.
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