arrow-right The AAPOR task force examined 2, 858 polls, including 529 national presidential race polls and 1, 572 state-level presidential polls....
And it didn’t matter what type of race, whether President Trump was on the ballot or was not on the ballot.” The polls did a better job of estimating the average support for Biden, with a few exceptions....
When state-level presidential polls were removed from the sample, the error level was even higher....
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2021-07-21 00:00:00.0