Tag Archives: jim bossert

DPPM Calculation

Question Recently, there is a debate in my organization about Defective Parts Per Million (DPPM) computation. Camp 1 – DPPM = (No of parts rejected / No of parts inspected) * 1,000,000 Camp 2 – DPPM = (No of parts … Continue reading

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Acceptance Sampling Inspection

Question We have an Acceptance sampling inspection in place where we use the ANSI/ASQ Z1.4 – 2013 standard under Normal Inspection, using General Inspection Level II to drive our samples size and accept, reject criteria. We do not uses switching … Continue reading

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Switching Rules

Question  We are planning to implement ANSI/ASQ Z1.4-2003(R2013) sampling inspection plan with our Finish products which are currently 100% inspected by QC Inspectors.  I read  about the importance of the switching rules  on a continuing stream of lots and have the … Continue reading

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Inspection Sample Size

Question The customer expects certain levels of inspection: pull 157 bottles for visual testing, but then they also want 20 pulled for dimensional testing. Can’t the 20 additional bottles be a subset of the original testing sample? When calculating the … Continue reading

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DMAIC Guidelines

Question Are there general guidelines or target durations for each phase of DMAIC? Knowing that we have fruit salad in our portfolio – apples, oranges, grapes, melons, plus 10 more – are there recommendations on how to generate meaningful guidelines … Continue reading

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Sampling

Question Is there a sampling plan for determining the number of cases to pull in a batch from which you perform the ANSI/ASQ sampling of individual products?  For example: you receive 550 cases with 145 product vials/case.  Is it proper … Continue reading

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Six Sigma Black Belt

Question I am currently an Executive Chef working that has been taking online classes for Green & Black Belt Six Sigma.  I am about halfway through my Black Belt classes and would like to pursue my certifications.  However, my company … Continue reading

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