2006 House · IN-7
Selzer & Co. · fieldwork ended 2006-10-17 (21 days before the election) · 468 respondents · Live Phone
The poll said
Democrat 42% · Republican 45%
R+3.0
The certified result
Democrat 53.76% · Republican 46.24%
D+7.5
The arithmetic
- Poll margin = 42 − 45 = -3.00
- Actual margin = 53.756 − 46.244 = 7.512
- Signed miss = -3.00 − (7.512) = -10.512
- Absolute miss = |-10.512| = 10.512
The poll overstated the Republican by 10.5 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 64248, race ID 3743 (538 database).