From a statistical point of view, probability sampling is preferred because it allows a calculation of the sampling error.

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Probability sampling allows for random sampling of a population, which ensures that each individual has an equal chance of being selected. This allows for the calculation of the sampling error, which is the difference between the sample statistic and the true population parameter. Non-probability sampling methods do not allow for the calculation of sampling error, making probability sampling the preferred method from a statistical point of view.

From a Statistical Point of View, Probability Sampling Is Preferred