Sunday, August 09, 2015
Question on Margin of Error
When we see a margin of error in a poll, is it really the same for any points within a poll? In other words, if a poll has a 3% margin of error, does that mean that someone who has 5% in the poll has a 95% chance of having between 2% and 8%, or is the
5% 3% only valid for someone who gets 50% in the poll? I am under the impression that the further away you are from 50%, the smaller the margin of error should be, but I am not certain about this.
Any statistic geeks want to explain it to me?
That is all.
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