2006 Governor · AZ
SurveyUSA · fieldwork ended 2006-11-01 (6 days before the election) · 560 respondents · IVR
The poll said
Democrat 57% · Republican 38%
D+19.0
The certified result
Democrat 62.59% · Republican 35.44%
D+27.1
The arithmetic
- Poll margin = 57 − 38 = 19.00
- Actual margin = 62.585 − 35.440 = 27.145
- Signed miss = 19.00 − (27.145) = -8.145
- Absolute miss = |-8.145| = 8.145
The poll overstated the Republican by 8.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 24802, race ID 1330 (538 database).