2002 Governor · MA
KRC Research · fieldwork ended 2002-11-01 (4 days before the election) · 400 respondents · Live Phone
The poll said
Democrat 38% · Republican 40%
R+2.0
The certified result
Democrat 44.94% · Republican 49.77%
R+4.8
The arithmetic
- Poll margin = 38 − 40 = -2.00
- Actual margin = 44.936 − 49.767 = -4.831
- Signed miss = -2.00 − (-4.831) = 2.831
- Absolute miss = |2.831| = 2.831
The poll overstated the Democrat by 2.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54734, race ID 1397 (538 database).