Dr. Wayne A. Taylor The best that I can determine is that the rule probably had its origin in the USDA in the 1920-30’s. But no confirming documents exist. There are actually three versions of the rule: Take the square root of the lot size to get the sample size. Accept on zero defects. This […]
“Square Root of N plus one” Sampling Rule Read More »
Dr. Wayne A. Taylor ABSTRACT There are many statistical tools that can be used as part of validation. Control charts, capability studies, designed experiments, tolerance analysis, robust design methods, failure modes and effects analysis, sampling plans, and mistake proofing are but a few. Each of these tools will be summarized and their application in validation
Methods and Tools for Process Validation Read More »
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