2012 President · MO
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2012-10-17 (20 days before the election) · 500 respondents · IVR/Online Panel
The poll said
Democrat 43% · Republican 54%
R+11.0
The certified result
Democrat 44.38% · Republican 53.76%
R+9.4
The arithmetic
- Poll margin = 43 − 54 = -11.00
- Actual margin = 44.383 − 53.764 = -9.381
- Signed miss = -11.00 − (-9.381) = -1.620
- Absolute miss = |-1.620| = 1.620
The poll overstated the Republican by 1.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30126, race ID 677 (538 database).