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2000 Senate · NM

Mason-Dixon Polling & Strategy · fieldwork ended 2000-11-01 (6 days before the election) · 425 respondents · Live Phone

The poll said

Democrat 60% · Republican 30%

D+30.0

The certified result

Democrat 61.70% · Republican 38.25%

D+23.4

The arithmetic

  1. Poll margin = 60 − 30 = 30.00
  2. Actual margin = 61.701 − 38.254 = 23.447
  3. Signed miss = 30.00 − (23.447) = 6.553
  4. Absolute miss = |6.553| = 6.553

The poll overstated the Democrat by 6.6 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 6171, race ID 1702 (538 database).