2006 Senate · MN
SurveyUSA · fieldwork ended 2006-11-04 (3 days before the election) · 710 respondents · IVR
The poll said
Democrat 56% · Republican 40%
D+16.0
The certified result
Democrat 58.06% · Republican 37.94%
D+20.1
The arithmetic
- Poll margin = 56 − 40 = 16.00
- Actual margin = 58.056 − 37.936 = 20.120
- Signed miss = 16.00 − (20.120) = -4.120
- Absolute miss = |-4.120| = 4.120
The poll overstated the Republican by 4.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24828, race ID 1592 (538 database).