2014 Senate · SC
Susquehanna Polling & Research Inc. · fieldwork ended 2014-10-16 (19 days before the election) · 917 respondents · Live Phone
The poll said
Democrat 31% · Republican 58%
R+27.0
The certified result
Democrat 38.01% · Republican 60.15%
R+22.1
The arithmetic
- Poll margin = 31 − 58 = -27.00
- Actual margin = 38.014 − 60.151 = -22.137
- Signed miss = -27.00 − (-22.137) = -4.863
- Absolute miss = |-4.863| = 4.863
The poll overstated the Republican by 4.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 34504, race ID 36 (538 database).