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This video will explore "SPC: Difference Between Goal Post Mentality and Loss Function".
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 Goalpost mentality ensures that only those parts meet the specifications. The loss function focuses on meeting the design intent wherein any value going away from the centre may be lost to the organization or society.
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