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2016 President · CO

Remington Research Group · fieldwork ended 2016-10-21 (18 days before the election) · 1,581 respondents · IVR/Live Phone

The poll said

Democrat 45% · Republican 43%

D+2.0

The certified result

Democrat 48.16% · Republican 43.25%

D+4.9

The arithmetic

  1. Poll margin = 45 − 43 = 2.00
  2. Actual margin = 48.157 − 43.251 = 4.906
  3. Signed miss = 2.00 − (4.906) = -2.906
  4. Absolute miss = |-2.906| = 2.906

The poll overstated the Republican by 2.9 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 47335, race ID 607 (538 database).