2010 Governor · TX
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-21 (12 days before the election) · 750 respondents · IVR
The poll said
Democrat 42% · Republican 51%
R+9.0
The certified result
Democrat 42.30% · Republican 54.97%
R+12.7
The arithmetic
- Poll margin = 42 − 51 = -9.00
- Actual margin = 42.298 − 54.971 = -12.673
- Signed miss = -9.00 − (-12.673) = 3.673
- Absolute miss = |3.673| = 3.673
The poll overstated the Democrat by 3.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 53298, race ID 1306 (538 database).