Skip to content

2018 Governor · AZ

SSRS · fieldwork ended 2018-10-26 (11 days before the election) · 702 respondents · Live Phone

The poll said

Democrat 45% · Republican 52%

R+7.0

The certified result

Democrat 41.84% · Republican 56.00%

R+14.2

The arithmetic

  1. Poll margin = 45 − 52 = -7.00
  2. Actual margin = 41.842 − 56.002 = -14.160
  3. Signed miss = -7.00 − (-14.160) = 7.161
  4. Absolute miss = |7.161| = 7.161

The poll overstated the Democrat by 7.2 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 56600, race ID 133 (538 database).