sample

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sample

  1. part of a total population that can be analysed to make inferences about the whole population (see SAMPLING).
  2. a small amount of raw material or finished product whose quality or performance can be tested as a guide to the quality or performance of a whole batch of material or product (see QUALITY CONTROL, ACCEPTANCE SAMPLING).
  3. a small trial pack of a product or brand which is used to encourage buyers to try it out (see SALES PROMOTION).
References in periodicals archive ?
In an earlier paragraph, we describer the tendency of our RDD to produce a biased sample that included only internet users.
The Publish or Perish Fallacy is: When you need a paper, and academics always need papers, do a survey, call the questionnaire an "instrument," then apply an unnecessarily complicated, opaque, sui generis, unreplicable statistical procedure to a trivially small, biased sample, but be sure the "findings" accord with received wisdom.
We design an empirical experiment to evaluate and compare the estimation performance of PRIDIT-FRE and the count estimation in the presence of a biased sample using the Spanish and U.
If sample is collected in such a way that some members of the study population have less chance of being included than others, then the resulting sample is a biased sample, and the results obtained from such a sample will not be valid or generalizable to the entire study population.
Any particular capture method may, however, give a biased sample due to differences in capture probability among size, age or sex classes, and may be influenced by body condition, suggesting that a sampling protocol should combine different sampling methods (Conroy & Nichols 1996, Greenwood 1996, Laves & Loeb 2006).
A re-analysis of results addressed the fact that the researchers had selected a biased sample of supernovae, favouring intrinsically brighter objects.
Unfortunately 127 participants were excluded and, therefore, results were based on a potentially biased sample.
Their concern about a biased sample selection is equally unfounded.
But the commission examined a biased sample of cases.