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The Polls Dramatically Missed Trump

November 10, 2016 · 6:55 am ET · Leave a Comment

FiveThirtyEight: “The more whites without college degrees were in a state, the more Trump outperformed his FiveThirtyEight polls-only adjusted polling average,1 suggesting the polls underestimated his support with that group. And the bigger the lead we forecast for Trump, the more he outperformed his polls.2 In the average state won by Trump, the polls missed by an average of 7.4 percentage points (in either direction); in Clinton states, they missed by an average of 3.7 points. It’s typical for polls to miss in states that aren’t close, though.”

“The most important concentration of polling errors was regional: Polls understated Trump’s margin by 4 points or more in a group of Midwestern states that he was expected to mostly lose but mostly won: Iowa, Ohio, Pennsylvania, Michigan, Wisconsin and Minnesota.”

2016 Campaign, Polling

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Taegan Goddard

Taegan Goddard

Taegan Goddard is the founder of Political Wire -- which for more than two decades has been one of the nation's most influential political news sites.

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