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2024 Senate · Wisconsin

Marist College · fieldwork ended 2024-10-30 (6 days before the election) · 1,444 respondents · Live Phone/Online Opt-In Panel/Text-to-Web

The poll said

Democrat 51% · Republican 48%

D+3.0

The certified result

Democrat 49.33% · Republican 48.48%

D+0.8

The arithmetic

  1. Poll margin = 51 − 48 = 3.00
  2. Actual margin = 49.333 − 48.484 = 0.849
  3. Signed miss = 3.00 − (0.849) = 2.151
  4. Absolute miss = |2.151| = 2.151

The poll overstated the Democrat by 2.2 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 89159, race ID 9534 (538 database).

This poll asked 2 versions of the question for this race; one is scored (largest sample) so the poll counts once.

population: rv