Many 2016 polls may prove incorrect because so many Americans are undecided or else say they are backing third parties, says Nate Silver, founder of the “data journalism” site fivethirtyeight.com.
“Undecideds are MUCH higher than normal,” Silver said in a Tuesday morning tweet. “So risk of a polling error — in either direction — is higher than usual.”
One out of eight voters, or 12.5 percent, are either undecided or declaring support for other candidates during the last few days of the election...
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