2004 House · NH-2
University of New Hampshire Survey Center · fieldwork ended 2004-10-26 (7 days before the election) · 346 respondents · Live Phone
The poll said
Democrat 30% · Republican 57%
R+27.0
The certified result
Democrat 38.17% · Republican 58.26%
R+20.1
The arithmetic
- Poll margin = 30 − 57 = -27.00
- Actual margin = 38.173 − 58.255 = -20.082
- Signed miss = -27.00 − (-20.082) = -6.918
- Absolute miss = |-6.918| = 6.918
The poll overstated the Republican by 6.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25353, race ID 3397 (538 database).