Question

a sample consist of ?
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Answer 1

A sample refers to a smaller, manageable version of a larger group. It is a subset containing the characteristics of a larger population. Samples are used in statistical testing when population sizes are too large for the test to include all possible members or observations.

Answer 2

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A sample consists of some observations drawn from the population, so a part or a subset of the population. The sample is the group of elements who actually participated in the study. Members and elements are defined in the broad sense of the term.