2014 House · NH-2
New England College Polling Center · fieldwork ended 2014-10-31 (4 days before the election) · 748 respondents · IVR
The poll said
Democrat 53% · Republican 42%
D+11.0
The certified result
Democrat 54.87% · Republican 44.87%
D+10.0
The arithmetic
- Poll margin = 53 − 42 = 11.00
- Actual margin = 54.874 − 44.869 = 10.005
- Signed miss = 11.00 − (10.005) = 0.996
- Absolute miss = |0.996| = 0.996
The poll overstated the Democrat by 1.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 34377, race ID 5575 (538 database).