2010 Senate · WV
Global Strategy Group · fieldwork ended 2010-10-19 (14 days before the election) · 804 respondents · Live Phone · partisan sponsor (DEM)
The poll said
Democrat 48% · Republican 43%
D+5.0
The certified result
Democrat 53.47% · Republican 43.40%
D+10.1
The arithmetic
- Poll margin = 48 − 43 = 5.00
- Actual margin = 53.469 − 43.403 = 10.066
- Signed miss = 5.00 − (10.066) = -5.066
- Absolute miss = |-5.066| = 5.066
The poll overstated the Republican by 5.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32634, race ID 1543 (538 database).