sampling

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• sampling distribution

  Sampling distribution is the distribution of an estimate across many possible samples.

• sampling error

  Sampling error is the variation that occurs from sample to sample due to the fact that no sample is a perfect representation of the population; can be biased or unbiased; also known as sampling variation.

• sampling variation

  Sampling variation is the variation that occurs from sample to sample due to the fact that no sample is a perfect representation of the population; can be biased or unbiased; also known as sampling error.

• random sampling

  Random sampling means every case in the population has an equal probability of being selected for the study.

• independent sampling

  Independent sampling is the selection of one case for a study has no effect on the selection of another case.