Representative samples and sampling are addressed multiple times in the cGMPs. For example, in Part 21 of the Code of Federal ... but do require a representative sample based on a rational criterion.

However, because a sampling distribution includes multiple sets of observations, it will not necessarily have a bell-curved shape. Following our example, the population average weight of babies in ...

This example illustrates replicated sampling, which selects multiple samples from the survey population according to the same design. You can use replicated sampling to provide a simple method of ...

Random sampling is used in science to conduct randomized control tests or for blinded experiments. The example in which the names of 25 employees out of 250 are chosen out of a hat is an example ...