2004 Governor · NC
SurveyUSA · fieldwork ended 2004-10-16 (17 days before the election) · 621 respondents · IVR
The poll said
Democrat 52% · Republican 40%
D+12.0
The certified result
Democrat 55.62% · Republican 42.88%
D+12.7
The arithmetic
- Poll margin = 52 − 40 = 12.00
- Actual margin = 55.616 − 42.878 = 12.738
- Signed miss = 12.00 − (12.738) = -0.738
- Absolute miss = |-0.738| = 0.738
The poll overstated the Republican by 0.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4668, race ID 1369 (538 database).