VotePredictor
past elections

Massachusetts Senate

Edward M. Kennedy (D) vs Kenneth G. Chase (R)

Actual result
D+37.4
Final polls said
D+38.3
3 late polls · ✓
Model predicted
D+33.0
Winner
Dem

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1YouGovD+40.02.6
2Suffolk UniversityD+34.03.4
3University of New Hampshire Survey CenterD+41.03.6
4VotePredictorD+33.04.4

Polls (3)

PollsterDatenPollMiss
YouGov2006-10-31799D+40.03
University of New Hampshire Survey Center2006-10-24585D+41.04
Suffolk University2006-10-22400D+34.03