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Rationing through the price system
P-Value
A statistical measure that helps scientists determine the significance of their research results.
Retention Rate
A metric usually used to measure the percentage of individuals or employees who remain engaged with an institution, company, or program over a given period.
Random Sample
A sample drawn in such a way that every member of the population has an equal chance of being selected.
Null Hypothesis
A statement used in statistical testing, which proposes that no significant difference exists between certain characteristics of a population.
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