2024 President · Michigan
University of Massachusetts Lowell/YouGov · fieldwork ended 2024-10-24 (12 days before the election) · 600 respondents · Online Matched Sample
The poll said
Democrat 49% · Republican 45%
D+4.0
The certified result
Democrat 48.31% · Republican 49.73%
R+1.4
The arithmetic
- Poll margin = 49 − 45 = 4.00
- Actual margin = 48.313 − 49.727 = -1.414
- Signed miss = 4.00 − (-1.414) = 5.414
- Absolute miss = |5.414| = 5.414
The poll overstated the Democrat by 5.4 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 89116, race ID 8820 (538 database).
population: lv