2010 Governor · NH
ccAdvertising · fieldwork ended 2010-10-21 (12 days before the election) · 744 respondents · IVR
The poll said
Democrat 45% · Republican 39%
D+6.0
The certified result
Democrat 52.64% · Republican 45.03%
D+7.6
The arithmetic
- Poll margin = 45 − 39 = 6.00
- Actual margin = 52.640 − 45.033 = 7.607
- Signed miss = 6.00 − (7.607) = -1.606
- Absolute miss = |-1.606| = 1.606
The poll overstated the Republican by 1.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32864, race ID 1288 (538 database).