2020 Senate · GA
Trafalgar Group · fieldwork ended 2020-12-15 (21 days before the election) · 1,064 respondents · IVR/Live Phone/Text/Online Panel/Email · partisan sponsor (REP)
The poll said
Democrat 45.5% · Republican 52.2%
R+6.7
The certified result
Democrat 51.04% · Republican 48.96%
D+2.1
The arithmetic
- Poll margin = 45.5 − 52.2 = -6.70
- Actual margin = 51.040 − 48.960 = 2.080
- Signed miss = -6.70 − (2.080) = -8.780
- Absolute miss = |-8.780| = 8.780
The poll overstated the Republican by 8.8 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 73835, race ID 7781 (538 database).