2000 Senate · MA
RKM Research and Communications Inc. · fieldwork ended 2000-10-24 (14 days before the election) · 400 respondents · Live Phone
The poll said
Democrat 60% · Republican 11%
D+49.0
The certified result
Democrat 69.11% · Republican 12.23%
D+56.9
The arithmetic
- Poll margin = 60 − 11 = 49.00
- Actual margin = 69.111 − 12.229 = 56.882
- Signed miss = 49.00 − (56.882) = -7.882
- Absolute miss = |-7.882| = 7.882
The poll overstated the Republican by 7.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 6366, race ID 1693 (538 database).