Skip to content

2006 Senate · WA

Mason-Dixon Polling & Strategy · fieldwork ended 2006-10-18 (20 days before the election) · 625 respondents · Live Phone

The poll said

Democrat 52% · Republican 37%

D+15.0

The certified result

Democrat 56.85% · Republican 39.93%

D+16.9

The arithmetic

  1. Poll margin = 52 − 37 = 15.00
  2. Actual margin = 56.853 − 39.933 = 16.920
  3. Signed miss = 15.00 − (16.920) = -1.919
  4. Absolute miss = |-1.919| = 1.919

The poll overstated the Republican by 1.9 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 24373, race ID 1610 (538 database).