2024 Senate · Michigan
Trafalgar Group · fieldwork ended 2024-10-20 (16 days before the election) · 1,090 respondents · IVR/Live Phone/Text/Online Opt-In Panel/Email · partisan sponsor (REP)
The poll said
Democrat 46.4% · Republican 45%
D+1.4
The certified result
Democrat 48.64% · Republican 48.30%
D+0.3
The arithmetic
- Poll margin = 46.4 − 45 = 1.40
- Actual margin = 48.639 − 48.298 = 0.341
- Signed miss = 1.40 − (0.341) = 1.059
- Absolute miss = |1.059| = 1.059
The poll overstated the Democrat by 1.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 senate_polls_historical.csv (archived 2025-03-06). Poll ID 88845, race ID 9515 (538 database).
population: lv