Examlex
Why are infrared telescopes being used in the search for extrasolar planets?
Random
Lacking pattern, purpose, or predictability, often used in the context of selecting items or events in a way that each has an equal chance of being chosen.
Average Age
The mean value of the ages of individuals in a particular group, calculated by summing their ages and dividing by the number of individuals.
Sampling Frame
The list or database from which a sample is drawn for a study, containing all the elements that define the population.
Quality Control
The practice of maintaining standards in manufactured products by testing a sample of the output against the specification.
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