2004 President · NH
Zogby Analytics · fieldwork ended 2004-10-28 (5 days before the election) · 631 respondents · Online Panel
The poll said
Democrat 50.2% · Republican 45.7%
D+4.5
The certified result
Democrat 50.24% · Republican 48.87%
D+1.4
The arithmetic
- Poll margin = 50.2 − 45.7 = 4.50
- Actual margin = 50.242 − 48.874 = 1.368
- Signed miss = 4.50 − (1.368) = 3.132
- Absolute miss = |3.132| = 3.132
The poll overstated the Democrat by 3.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 63850, race ID 785 (538 database).