2024 President · Michigan
InsiderAdvantage · fieldwork ended 2024-11-02 (3 days before the election) · 800 respondents · method not reported
The poll said
Democrat 47.3% · Republican 47.2%
D+0.1
The certified result
Democrat 48.31% · Republican 49.73%
R+1.4
The arithmetic
- Poll margin = 47.3 − 47.2 = 0.10
- Actual margin = 48.313 − 49.727 = -1.414
- Signed miss = 0.10 − (-1.414) = 1.514
- Absolute miss = |1.514| = 1.514
The poll overstated the Democrat by 1.5 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 president_polls_historical.csv (archived 2025-03-06). Poll ID 89303, race ID 8820 (538 database).
population: lv