2004 President · CO
Gallup · fieldwork ended 2004-10-16 (17 days before the election) · 666 respondents · Live Phone
The poll said
Democrat 45% · Republican 51%
R+6.0
The certified result
Democrat 47.04% · Republican 51.71%
R+4.7
The arithmetic
- Poll margin = 45 − 51 = -6.00
- Actual margin = 47.038 − 51.711 = -4.673
- Signed miss = -6.00 − (-4.673) = -1.327
- Absolute miss = |-1.327| = 1.327
The poll overstated the Republican by 1.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4691, race ID 760 (538 database).