1998 Governor · CO
Harris Insights & Analytics · fieldwork ended 1998-10-20 (14 days before the election) · 614 respondents · Live Phone
The poll said
Democrat 46% · Republican 43%
D+3.0
The certified result
Democrat 48.42% · Republican 49.04%
R+0.6
The arithmetic
- Poll margin = 46 − 43 = 3.00
- Actual margin = 48.419 − 49.038 = -0.619
- Signed miss = 3.00 − (-0.619) = 3.619
- Absolute miss = |3.619| = 3.619
The poll overstated the Democrat by 3.6 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54225, race ID 1437 (538 database).