Sampling error occurs because a characteristic of a random sample may not exactly equal the population characteristic that we are attempting to estimate.

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Sampling error is a real and unavoidable aspect of any survey or measurement process. It occurs because the characteristics of the sample, such as age or gender, may not exactly match the characteristics of the overall population being studied. This can result in estimates that are either too high or too low and may lead to inaccurate conclusions.

Sampling Error Occurs Because a Characteristic of a Random Sample