2014 Governor · MD
WPA Intelligence · fieldwork ended 2014-10-26 (9 days before the election) · 504 respondents · Live Phone · partisan sponsor (REP)
The poll said
Democrat 39% · Republican 44%
R+5.0
The certified result
Democrat 47.25% · Republican 51.03%
R+3.8
The arithmetic
- Poll margin = 39 − 44 = -5.00
- Actual margin = 47.248 − 51.028 = -3.780
- Signed miss = -5.00 − (-3.780) = -1.220
- Absolute miss = |-1.220| = 1.220
The poll overstated the Republican by 1.2 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 34396, race ID 1241 (538 database).