2010 Governor · CO
YouGov · fieldwork ended 2010-10-27 (6 days before the election) · 855 respondents · Online Panel
The poll said
Democrat 47% · Republican 9%
D+38.0
The certified result
Democrat 51.05% · Republican 11.14%
D+39.9
The arithmetic
- Poll margin = 47 − 9 = 38.00
- Actual margin = 51.052 − 11.142 = 39.910
- Signed miss = 38.00 − (39.910) = -1.910
- Absolute miss = |-1.910| = 1.910
The poll overstated the Republican by 1.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32762, race ID 1279 (538 database).