Skip to content

2020 Senate · AZ

Marist College · fieldwork ended 2020-10-31 (3 days before the election) · 717 respondents · Live Phone

The poll said

Democrat 52% · Republican 46%

D+6.0

The certified result

Democrat 51.16% · Republican 48.81%

D+2.3

The arithmetic

  1. Poll margin = 52 − 46 = 6.00
  2. Actual margin = 51.157 − 48.808 = 2.349
  3. Signed miss = 6.00 − (2.349) = 3.651
  4. Absolute miss = |3.651| = 3.651

The poll overstated the Democrat by 3.7 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 72649, race ID 6268 (538 database).