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Polls may be more accurate if the sample is O weighted to correct missing data from underrepresented groups. O corrected for pollster bias O truly
Polls may be more accurate if the sample is O weighted to correct missing data from underrepresented groups. O corrected for pollster bias O truly random. O weighted to make up for day-to-day swings in public sentiment. O truly random and weighted to correct missing data from underrepresented groups
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