2008 President · NY
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2008-10-14 (21 days before the election) · 500 respondents · IVR
The poll said
Democrat 57% · Republican 37%
D+20.0
The certified result
Democrat 60.13% · Republican 31.30%
D+28.8
The arithmetic
- Poll margin = 57 − 37 = 20.00
- Actual margin = 60.129 − 31.303 = 28.826
- Signed miss = 20.00 − (28.826) = -8.826
- Absolute miss = |-8.826| = 8.826
The poll overstated the Republican by 8.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 16860, race ID 738 (538 database).