Marketing Research and Insight Glossary

Definitions, common uses and explanations of 1,500+ key market research terms and phrases.

What is Sampling Fraction?

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Sampling fraction Definition

The proportion of the number of sample elements to the number of population elements.

Sampling fraction refers to the percentage of the total population that is included in a sample. It is calculated by dividing the size of the sample by the size of the entire population. The sampling fraction determines how much of the population is represented in the sample and influences the accuracy of research findings.

Who relies on sampling fraction in market research?

Market researchers, statisticians and organizations conducting market research rely on the concept of the sampling fraction to design and select representative samples. It is a critical parameter in sampling methodology used to ensure that research samples accurately reflect the characteristics of the larger population.

Why should I care about sampling fraction in market research?

You should care about the sampling fraction in market research because it directly affects the quality and representativeness of your research sample. An appropriate sampling fraction ensures that your sample is neither too small, risking bias, nor too large, causing unnecessary resource expenditure. Understanding and calculating the sampling fraction is essential for obtaining reliable and generalizable research results.

Why is sampling fraction important in market research?

  • The sampling fraction is important in market research because it determines the extent to which your research sample represents the entire population.
  • Choosing an optimal sampling fraction helps balance the trade-off between sample size and research resources, leading to more cost-effective and credible research outcomes.
  • It is a fundamental aspect of sound sampling methodology.