There is no appropriate statistical technique that can be used to measure random sampling error when a nonprobability sample is used.

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Quizplus · Accepted Answer

Random sampling error is a measure of how much the sample estimates might differ from the true population values due to chance alone. This can only be measured when a random sample is used as the basis for the estimation. Nonprobability samples, on the other hand, do not involve random selection of the units to be included in the sample, and therefore there is no way to calculate random sampling error.

There Is No Appropriate Statistical Technique That Can Be Used