As Pundits Try To Read the Polls, the Response Rate Plummets
Five firms released national polls of the presidential election over a couple of days late last month, and the results were a head-scratcher for politics buffs: Mitt Romney was winning by a percentage point, losing by a percentage point, winning by five, and losing by five.
Who was right? Who can be trusted amid the welter of conflicting data?
The country could be less than a day away from being able to judge, but at least two conclusions arise from looking at the 2008 presidential election: Some firms were clearly better than others at nailing the final result, and a particularly accurate reading could be gleaned by averaging all the polls together.
Source: Wall Street Journal. Read full article. (link)
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