2012 President · NH
Grove Insight · fieldwork ended 2012-10-24 (13 days before the election) · 500 respondents · Live Phone · partisan sponsor (DEM)
The poll said
Democrat 47% · Republican 44%
D+3.0
The certified result
Democrat 51.98% · Republican 46.40%
D+5.6
The arithmetic
- Poll margin = 47 − 44 = 3.00
- Actual margin = 51.980 − 46.404 = 5.576
- Signed miss = 3.00 − (5.576) = -2.576
- Absolute miss = |-2.576| = 2.576
The poll overstated the Republican by 2.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30348, race ID 683 (538 database).