2004 Senate · NH
American Research Group · fieldwork ended 2004-10-29 (4 days before the election) · 600 respondents · Live Phone
The poll said
Democrat 26% · Republican 66%
R+40.0
The certified result
Democrat 33.72% · Republican 66.18%
R+32.5
The arithmetic
- Poll margin = 26 − 66 = -40.00
- Actual margin = 33.717 − 66.178 = -32.461
- Signed miss = -40.00 − (-32.461) = -7.539
- Absolute miss = |-7.539| = 7.539
The poll overstated the Republican by 7.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4367, race ID 1634 (538 database).