2014 House · NY-18
Global Strategy Group · fieldwork ended 2014-10-22 (13 days before the election) · 401 respondents · Live Phone · partisan sponsor (DEM)
The poll said
Democrat 46% · Republican 40%
D+6.0
The certified result
Democrat 40.83% · Republican 35.63%
D+5.2
The arithmetic
- Poll margin = 46 − 40 = 6.00
- Actual margin = 40.830 − 35.628 = 5.202
- Signed miss = 6.00 − (5.202) = 0.798
- Absolute miss = |0.798| = 0.798
The poll overstated the Democrat by 0.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 36462, race ID 5608 (538 database).