2010 Senate · WV
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-26 (7 days before the election) · 750 respondents · IVR
The poll said
Democrat 49% · Republican 46%
D+3.0
The certified result
Democrat 53.47% · Republican 43.40%
D+10.1
The arithmetic
- Poll margin = 49 − 46 = 3.00
- Actual margin = 53.469 − 43.403 = 10.066
- Signed miss = 3.00 − (10.066) = -7.066
- Absolute miss = |-7.066| = 7.066
The poll overstated the Republican by 7.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32689, race ID 1543 (538 database).