2006 Senate · MD
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2006-11-01 (6 days before the election) · 500 respondents · IVR
The poll said
Democrat 50% · Republican 45%
D+5.0
The certified result
Democrat 54.21% · Republican 44.20%
D+10.0
The arithmetic
- Poll margin = 50 − 45 = 5.00
- Actual margin = 54.206 − 44.195 = 10.011
- Signed miss = 5.00 − (10.011) = -5.010
- Absolute miss = |-5.010| = 5.010
The poll overstated the Republican by 5.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24489, race ID 1589 (538 database).