2006 House · NH-1
University of New Hampshire Survey Center · fieldwork ended 2006-10-31 (7 days before the election) · 340 respondents · Live Phone
The poll said
Democrat 42% · Republican 47%
R+5.0
The certified result
Democrat 51.27% · Republican 48.65%
D+2.6
The arithmetic
- Poll margin = 42 − 47 = -5.00
- Actual margin = 51.274 − 48.645 = 2.629
- Signed miss = -5.00 − (2.629) = -7.630
- Absolute miss = |-7.630| = 7.630
The poll overstated the Republican by 7.6 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 74106, race ID 3832 (538 database).