Tag: quality hub
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SPC: Unilateral Tolerance Capability Indices
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“Toleration has never been the cause of civil war. While on the contrary, persecution has covered the earth with blood and carnage.” – Voltaire Introduction Students aspire to get more than 95%. Patients want to control their blood pressure between 80 to 120. In the Share market, investors always want the prices to go higher…
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SPC: Difference Between Goal Post Mentality and Loss Function Analysis
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“Those who ignore Statistics are condemned to reinvent it.” – Brad Efron Introduction When an organization hires GETs (Graduate Engineer Trainees), they set a minimum mark limit (say minimum 65%). The selected candidates may have marks ranging from 65% to 90%. Will there be any difference between the competence of the candidate having 65% marks…
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What is Poison Test for Inspectors
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“Quality does not come from inspection but improvement of the production process” — W Edwards Deming Introduction When the Devas and Asuras started the Samudra Manthan (Churning of the ocean for the celestial nectar), before the precious gems and Amrit, foremost the poison oozed out of the ocean. The poison was so dangerous and powerful,…