2008 President · CT
YouGov · fieldwork ended 2008-10-25 (10 days before the election) · 704 respondents · Online Panel
The poll said
Democrat 58% · Republican 37%
D+21.0
The certified result
Democrat 60.59% · Republican 38.22%
D+22.4
The arithmetic
- Poll margin = 58 − 37 = 21.00
- Actual margin = 60.589 − 38.221 = 22.368
- Signed miss = 21.00 − (22.368) = -1.367
- Absolute miss = |-1.367| = 1.367
The poll overstated the Republican by 1.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 16461, race ID 710 (538 database).