Examlex
At the height of Reconstruction, blacks held ____ percent of public offices.
Quality Control
The practice of maintaining standards in manufactured products by testing a sample of the output against the specification.
Systematic Sampling
A method of sampling where members of a population are selected at regular intervals to form a sample.
Sampling Frame
The list or database from which a statistical sample is drawn, ideally including the entire population or a complete representation of it.
Subscribers
Individuals or entities that have opted to receive services, content, or updates, usually on a recurring basis, from a provider.
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