2012 House · HI-2
MRG Research · fieldwork ended 2012-10-25 (12 days before the election) · 562 respondents · IVR
The poll said
Democrat 73% · Republican 15%
D+58.0
The certified result
Democrat 80.54% · Republican 19.46%
D+61.1
The arithmetic
- Poll margin = 73 − 15 = 58.00
- Actual margin = 80.543 − 19.457 = 61.086
- Signed miss = 58.00 − (61.086) = -3.085
- Absolute miss = |-3.085| = 3.085
The poll overstated the Republican by 3.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 51312, race ID 5025 (538 database).