2004 President · NV
Zogby Analytics · fieldwork ended 2004-10-23 (10 days before the election) · 600 respondents · Live Phone
The poll said
Democrat 44% · Republican 48%
R+4.0
The certified result
Democrat 47.88% · Republican 50.47%
R+2.6
The arithmetic
- Poll margin = 44 − 48 = -4.00
- Actual margin = 47.878 − 50.470 = -2.592
- Signed miss = -4.00 − (-2.592) = -1.408
- Absolute miss = |-1.408| = 1.408
The poll overstated the Republican by 1.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4559, race ID 788 (538 database).