sample(redirected from volunteer sample)
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- part of a total population that can be analysed to make inferences about the whole population (see SAMPLING).
- 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).
- a small trial pack of a product or brand which is used to encourage buyers to try it out (see SALES PROMOTION).