Examlex
A person's need for life insurance varies quite a bit over his or her lifetime.
Sample
A selected segment of a population used to represent the whole population in research or analysis.
Subscription Service
A business strategy in which clients are charged a periodic fee at consistent intervals in exchange for the continuous use of a product or service.
Random Survey
A survey method where participants are selected entirely by chance, giving each individual an equal opportunity to be included.
Systematic Sampling
A method of sampling where elements are selected at regular intervals from an ordered population.
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