Sampling error arises from sample selection, sampling bias skews results, and the margin of error influences survey reliability.
Sampling error is the natural variation resulting from selecting a sample to represent a larger population. This variation decreases with larger sample sizes, reducing the sampling error. Sampling bias occurs when not all population members are equally likely to be selected, leading to skewed results. Margin of error measures the probable difference between a sample and the population, affecting the reliability of survey outcomes.
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