2000 President · MT
Montana State University Billings · fieldwork ended 2000-10-21 (17 days before the election) · 403 respondents · Live Phone
The poll said
Democrat 33% · Republican 51%
R+18.0
The certified result
Democrat 33.37% · Republican 58.44%
R+25.1
The arithmetic
- Poll margin = 33 − 51 = -18.00
- Actual margin = 33.365 − 58.439 = -25.074
- Signed miss = -18.00 − (-25.074) = 7.074
- Absolute miss = |7.074| = 7.074
The poll overstated the Democrat by 7.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25829, race ID 832 (538 database).