Chapter08TN[street05] | Sampling (Statistics) | Mean

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Technical Note 8 Statistically Process Control Basic Forms of Statistical Sampling for Quality Control ã Sampling to accept or reject the immediate lot of product at hand (Acceptance Sampling). ã Sampling to determine if the process is within acceptable limits (Statistical Process Control) Statistical Fundamentals ã Statistical Thinking – Is a decision-making skill demonstrated by the ability to draw to conclusions based on data. ã Why Do Statistics Sometimes Fail in the
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  Technical Note 8 Statistically Process Control  Basic Forms of Statistical Sampling forQuality Control ã Sampling to accept or reject the immediate lotof   product  at hand (Acceptance Sampling). ã Sampling to determine if the process is withinacceptable limits (Statistical Process Control)  Statistical Fundamentals ã Statistical Thinking  –  Is a decision-making skill demonstrated by theability to draw to conclusions based on data. ã Why Do Statistics Sometimes Fail in theWorkplace?  –  Regrettably, many times statistical tools do notcreate the desired result. Why is this so? Manyfirms fail to implement quality control in asubstantive way.  Basic Forms of Variation ã Common (random) variation is inherentin the production process. ã Assignable (nonrandom) variation iscaused by factors that can be clearlyidentified and possibly managed.
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