2006 Senate · MO
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2006-11-05 (2 days before the election) · 500 respondents · IVR
The poll said
Democrat 48% · Republican 49%
R+1.0
The certified result
Democrat 49.58% · Republican 47.31%
D+2.3
The arithmetic
- Poll margin = 48 − 49 = -1.00
- Actual margin = 49.578 − 47.308 = 2.270
- Signed miss = -1.00 − (2.270) = -3.270
- Absolute miss = |-3.270| = 3.270
The poll overstated the Republican by 3.3 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24521, race ID 1594 (538 database).