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Probability and non-probability sampling

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What is the difference between probability and non-probability sampling? In the answer provide examples on the use of probability sampling and non-probability sampling on real life problems.

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This discusses the difference between probability and non-probability sampling and gives examples of each, as well as a website for further exploration.

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The main difference between probability and non-probability sampling is that probability sampling uses random samples, while non-probability sampling is not random. Non-probability sampling can be based on haphazard or convenience samples (using whoever happens to be nearby without making sure it's representative of the population) or purposeful (choosing only ...

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