Considering the laws of probability, how can researchers influence the margin of error by altering the size of samples.
What influences a poll's margin of error?
Due to sampling effects, any survey's results will have a margin of error (i.e., sampling error"). The results depend on the population sample that was arbitrarily chosen, and they would have been different if a different sample of the same size had been chosen.
Therefore, one can say that the researchers affect the margin of error taking the laws of probability into account by changing the sample size.
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