In the pharmaceutical industry, bulk product characteristics are routinely tested to determine whether the product meets in-house quality assurance specifications. Raw or processed materials are frequently stored in drums or containers. In these instances, one must know how to choose a representative sample that exhibits characteristics similar to those processed by the population as a whole. The common method in statistical practices is choosing a simple random sample from the population.
The Square Root of N Plus One Sampling Rule
Pharmaceutical Technology MAY 2003
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