2006 Senate · MD
Garin-Hart-Yang Research Group · fieldwork ended 2006-10-23 (15 days before the election) · 602 respondents · Live Phone · partisan sponsor (DEM)
The poll said
Democrat 52% · Republican 40%
D+12.0
The certified result
Democrat 54.21% · Republican 44.20%
D+10.0
The arithmetic
- Poll margin = 52 − 40 = 12.00
- Actual margin = 54.206 − 44.195 = 10.011
- Signed miss = 12.00 − (10.011) = 1.990
- Absolute miss = |1.990| = 1.990
The poll overstated the Democrat by 2.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24289, race ID 1589 (538 database).