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(4,667 posts)
10. With smaller sub-groups within a poll there is a greater margin of error.
Thu Oct 25, 2012, 12:56 AM
Oct 2012


This is why the polling for hispanics and African Americans is frequently off. In the Survey USA poll of Ohio (O+3) they had Romney winning 22% of the black vote.


What happens is, say you have a poll of 100 people. In a group this size, maybe only 3 of them might be hispanic. If you happen to get one person who likes Romney..... BANG..... you have hispanics giving 33% of their vote to the GOP.


You have to be very careful when pulling out minority data from any poll.
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