2008 Senate · KY
YouGov · fieldwork ended 2008-10-25 (10 days before the election) · 486 respondents · Online Panel
The poll said
Democrat 42% · Republican 49%
R+7.0
The certified result
Democrat 47.03% · Republican 52.97%
R+5.9
The arithmetic
- Poll margin = 42 − 49 = -7.00
- Actual margin = 47.034 − 52.966 = -5.932
- Signed miss = -7.00 − (-5.932) = -1.069
- Absolute miss = |-1.069| = 1.069
The poll overstated the Republican by 1.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 16454, race ID 1556 (538 database).