Transcription of How To Establish Sample Sizes For Process Validation …
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12/08/2016, 8:45 AMHow To Establish Sample Sizes For Process Validation Using The success -Run TheoremPage 1 of 5 + Sizes +For+ Process + Validation +Using+The+ success -Run+TheoremHow To Establish Sample Sizes For Process ValidationHow To Establish Sample Sizes For Process ValidationUsing The success -Run TheoremUsing The success -Run TheoremBy Mark Durivage, ASQ FellowThe first article in this series, Risk-BasedApproaches To Establishing Sample Sizes ForProcess Validation (June 2016), provided andestablished the relationship between risk andsample size . This installment will demonstratetwo methods using the success -run theorem,which uses the confidence level (how sure we are)and reliability value (valid, consistent results) todetermine appropriate statistically valid samplesizes for Process Validation .
Success-Run Theorem, Method 1 The first method for using the success-run theorem to determine sample sizes for process validation does not allow for any failures and is somewhat simpler to calculate than Method 2. When calculating the sample size based upon confidence and reliability with zero failures allowed, we can use the following formula:
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