2004 President · NY
Siena College · fieldwork ended 2004-10-27 (6 days before the election) · 1,062 respondents · Live Phone
The poll said
Democrat 52% · Republican 37%
D+15.0
The certified result
Democrat 56.13% · Republican 37.69%
D+18.4
The arithmetic
- Poll margin = 52 − 37 = 15.00
- Actual margin = 56.131 − 37.687 = 18.444
- Signed miss = 15.00 − (18.444) = -3.444
- Absolute miss = |-3.444| = 3.444
The poll overstated the Republican by 3.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4431, race ID 789 (538 database).