2006 Senate · VA
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2006-10-25 (13 days before the election) · 500 respondents · IVR
The poll said
Democrat 48% · Republican 50%
R+2.0
The certified result
Democrat 49.59% · Republican 49.20%
D+0.4
The arithmetic
- Poll margin = 48 − 50 = -2.00
- Actual margin = 49.594 − 49.201 = 0.393
- Signed miss = -2.00 − (0.393) = -2.394
- Absolute miss = |-2.394| = 2.394
The poll overstated the Republican by 2.4 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24640, race ID 1609 (538 database).