2004 House · OK-1
SurveyUSA · fieldwork ended 2004-10-15 (18 days before the election) · 656 respondents · IVR
The poll said
Democrat 35% · Republican 58%
R+23.0
The certified result
Democrat 37.54% · Republican 60.19%
R+22.6
The arithmetic
- Poll margin = 35 − 58 = -23.00
- Actual margin = 37.542 − 60.188 = -22.646
- Signed miss = -23.00 − (-22.646) = -0.354
- Absolute miss = |-0.354| = 0.354
The poll overstated the Republican by 0.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 64288, race ID 3475 (538 database).