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CHAPTER 2

CHAPTER 2. Roselyn Aperocho- Naranjo USPF, College of Pharmacy www.roselynnaranjo.vze.com. Sampling & Sampling Plan. SAMPLING. Laws of probability must be considered. RISK. Producer’s risk. rejecting a good batch. Consumer’s risk. a ccepting a bad batch. SAMPLING PLAN.

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CHAPTER 2

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  1. CHAPTER 2 Roselyn Aperocho- Naranjo USPF, College of Pharmacy www.roselynnaranjo.vze.com Sampling & Sampling Plan

  2. SAMPLING • Laws of probability must be considered RISK • Producer’s risk • rejecting a good batch • Consumer’s risk • accepting a bad batch

  3. SAMPLING PLAN • determines the size and frequency of sample • basis for accepting or rejecting a product • requires 3 numbers • N- number of items from where the sample is drawn • n- a random sample drawn from a lot or batch • C – acceptance number ; specified by AQL(acceptable quality level)

  4. SAMPLING PLAN • determines the size and frequency of sample • basis for accepting or rejecting a product • requires 3 numbers • N- number of items from where the sample is drawn Example • n- a random sample drawn from a lot or batch N-50 Lot or Batch random sample defects • C – acceptance number Reject or Accept

  5. SAMPLING PLAN • Square root system formula: Example N-50 ? =

  6. SAMPLING PLAN • Military Standards (MILSTD-D 105D) • Government Sampling Plan Adopted by the US Department of Defense Bell Telephone Laboratories - 1942 Engineers

  7. SAMPLING PLAN • MASTER TABLE - Sample size, acceptance and rejection numbers NEED TO KNOW 3. TYPES OF SAMPLING 4. INSPECTION SCHEMES 1. AQL Simple Normal 2. SAMPLE CODE LETTER Double Tightened Multiple Reduced

  8. Prepare for a short quiz...

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