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2006 Governor · MN

SurveyUSA · fieldwork ended 2006-11-04 (3 days before the election) · 710 respondents · IVR

The poll said

Democrat 45% · Republican 45%

even

The certified result

Democrat 45.73% · Republican 46.69%

R+1.0

The arithmetic

  1. Poll margin = 45 − 45 = 0.00
  2. Actual margin = 45.733 − 46.691 = -0.958
  3. Signed miss = 0.00 − (-0.958) = 0.958
  4. Absolute miss = |0.958| = 0.958

The poll overstated the Democrat by 1.0 points and showed a tie.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 24828, race ID 1345 (538 database).