Skip to content

2014 Governor · IA

Quinnipiac University · fieldwork ended 2014-10-24 (11 days before the election) · 817 respondents · Live Phone

The poll said

Democrat 37% · Republican 56%

R+19.0

The certified result

Democrat 37.27% · Republican 58.99%

R+21.7

The arithmetic

  1. Poll margin = 37 − 56 = -19.00
  2. Actual margin = 37.269 − 58.990 = -21.721
  3. Signed miss = -19.00 − (-21.721) = 2.721
  4. Absolute miss = |2.721| = 2.721

The poll overstated the Democrat by 2.7 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 34363, race ID 1226 (538 database).