2024 Senate · Pennsylvania
Quinnipiac · fieldwork ended 2024-10-28 (8 days before the election) · 2,186 respondents · Live Phone
The poll said
Democrat 50% · Republican 47%
D+3.0
The certified result
Democrat 48.60% · Republican 48.82%
R+0.2
The arithmetic
- Poll margin = 50 − 47 = 3.00
- Actual margin = 48.601 − 48.818 = -0.217
- Signed miss = 3.00 − (-0.217) = 3.217
- Absolute miss = |3.217| = 3.217
The poll overstated the Democrat by 3.2 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 senate_polls_historical.csv (archived 2025-03-06). Poll ID 89104, race ID 9527 (538 database).
population: lv