2004 President · ME
SurveyUSA · fieldwork ended 2004-10-29 (4 days before the election) · 1,008 respondents · IVR
The poll said
Democrat 52% · Republican 44%
D+8.0
The certified result
Democrat 53.57% · Republican 44.58%
D+9.0
The arithmetic
- Poll margin = 52 − 44 = 8.00
- Actual margin = 53.573 − 44.576 = 8.997
- Signed miss = 8.00 − (8.997) = -0.996
- Absolute miss = |-0.996| = 0.996
The poll overstated the Republican by 1.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4347, race ID 776 (538 database).