Weighting is a practice used by public opinion pollsters to Public Opinion Polling.
In an effort to ensure that the sample more properly reflects the characteristics of the population from which it was selected and from which an inference will be formed, weighting modifies the poll data.
Weighting does not modify the actual survey responses; rather, it is used to adjust the relative contribution of the respondents.
An opinion poll, often known as a poll or survey, is a human research survey of the general public from a specific sample.
By asking a series of questions and extending generalizations into ratios or confidence intervals, opinion polls are often created to represent the opinions of a population.
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