2018 Senate · TN
Marist College · fieldwork ended 2018-10-25 (12 days before the election) · 471 respondents · Live Phone
The poll said
Democrat 46% · Republican 51%
R+5.0
The certified result
Democrat 43.92% · Republican 54.71%
R+10.8
The arithmetic
- Poll margin = 46 − 51 = -5.00
- Actual margin = 43.920 − 54.707 = -10.787
- Signed miss = -5.00 − (-10.787) = 5.787
- Absolute miss = |5.787| = 5.787
The poll overstated the Democrat by 5.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 56577, race ID 120 (538 database).