Examlex
A generalization hierarchy shows object relationships between an object in one class and objects in other classes that make up its "parts".
Random Selection
A process of choosing a sample from a population such that every individual has an equal chance of being selected.
Stratified Random Sample
A sampling method where the population is divided into subgroups (strata) that share similar characteristics, and random samples are then taken from each subgroup to ensure representation across the population's diversity.
Systematic Random Sample
A sampling method where elements are selected from an ordered sampling frame using a starting point and a fixed periodic interval.
Subset
A set containing some or all elements of another set, without any additional elements.
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