random sampling

random sampling

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

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    • sampling

      Sampling is the process by which we choose which objects to study.

    • 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.

    • independent sampling

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