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Sampling
Sampling is the process of selecting which individuals, objects, or observations to study from a larger data generating process (DGP). Sampling determines what your data represent and how far your conclusions can generalize. Why Sampling Matters ...
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.