2012 Senate · WI
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2012-10-29 (8 days before the election) · 750 respondents · IVR/Online Panel
The poll said
Democrat 48% · Republican 48%
even
The certified result
Democrat 51.41% · Republican 45.86%
D+5.5
The arithmetic
- Poll margin = 48 − 48 = 0.00
- Actual margin = 51.409 − 45.860 = 5.549
- Signed miss = 0.00 − (5.549) = -5.549
- Absolute miss = |-5.549| = 5.549
The poll overstated the Republican by 5.5 points and showed a tie.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30536, race ID 1504 (538 database).