2014 Governor · RI
YouGov · fieldwork ended 2014-10-20 (15 days before the election) · 866 respondents · Online Panel
The poll said
Democrat 40% · Republican 35%
D+5.0
The certified result
Democrat 40.70% · Republican 36.24%
D+4.5
The arithmetic
- Poll margin = 40 − 35 = 5.00
- Actual margin = 40.703 − 36.237 = 4.466
- Signed miss = 5.00 − (4.466) = 0.534
- Absolute miss = |0.534| = 0.534
The poll overstated the Democrat by 0.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 33790, race ID 1239 (538 database).