Skip to content

2020 Senate · GA

Monmouth University Polling Institute · fieldwork ended 2020-10-25 (9 days before the election) · 504 respondents · Live Phone

The poll said

Democrat 49% · Republican 48%

D+1.0

The certified result

Democrat 47.95% · Republican 49.73%

R+1.8

The arithmetic

  1. Poll margin = 49 − 48 = 1.00
  2. Actual margin = 47.949 − 49.728 = -1.779
  3. Signed miss = 1.00 − (-1.779) = 2.779
  4. Absolute miss = |2.779| = 2.779

The poll overstated the Democrat by 2.8 points and had the wrong leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 72146, race ID 6271 (538 database).