1998 Governor · HI
Mason-Dixon Polling & Strategy · fieldwork ended 1998-10-29 (5 days before the election) · 406 respondents · Live Phone
The poll said
Democrat 42% · Republican 51%
R+9.0
The certified result
Democrat 50.10% · Republican 48.82%
D+1.3
The arithmetic
- Poll margin = 42 − 51 = -9.00
- Actual margin = 50.105 − 48.816 = 1.289
- Signed miss = -9.00 − (1.289) = -10.289
- Absolute miss = |-10.289| = 10.289
The poll overstated the Republican by 10.3 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54267, race ID 1441 (538 database).