2008 President · TN
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2008-10-16 (19 days before the election) · 500 respondents · IVR
The poll said
Democrat 42% · Republican 54%
R+12.0
The certified result
Democrat 41.83% · Republican 56.90%
R+15.1
The arithmetic
- Poll margin = 42 − 54 = -12.00
- Actual margin = 41.829 − 56.897 = -15.068
- Signed miss = -12.00 − (-15.068) = 3.068
- Absolute miss = |3.068| = 3.068
The poll overstated the Democrat by 3.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 16832, race ID 746 (538 database).