Margin of Error

The margin of error is a statistic expressing the amount of random sampling error in a survey's results. The larger the margin of error, the less confidence one should have that the poll's reported results are close to the "true" figures; that is, the figures for the whole population. Margin of error occurs whenever a population is incompletely sampled.

Read more about Margin Of Error:  Explanation, Concept, Comparing Percentages

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    Henry David Thoreau (1817–1862)

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