It is typically too expensive and too time-consuming, researchers often select a/n Sample a group of people that are representative of the larger population.
In order to be a representative sample, the sample group must represent the population as a whole. For instance, if the researcher's population of interest has 60% of people ages 18-25 and 40% of people ages 26-40, then the representative sample must also reflect this ratio.
A representative sample is a subset of a population that seeks to accurately reflect the characteristics of the larger group. for example, a classroom of 30 students with 15 males and 15 females could generate a representative sample that might include six students: 3 males and three females.
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