PredictionsEndorse2010 Senatorial Election Polls - WI ResultsPolls
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Source: Marist College (url)

CandidatePolitical PartyPollGraphPoll Details
RRon JohnsonRepublican52%piePoll Date: 2010-09-28
DRuss FeingoldDemocratic45%Number Polled: 503
-Other-0%Margin of Error: 5%
-Undecided-3%Voter Type: Likely

Feingold still struggling against Johnson

 By: Mark Warner 08 (I-AUT) on 2010-10-02 @ 01:41:03


Poll Demographics

About this Poll
The polls surveyed 822 registered voters in Colorado, 817 registered voters in Pennsylvania and 806 registered voters in Wisconsin from Sept. 26-28.

The polls included surveys of 537 likely voters in Colorado, 468 in Pennsylvania and 503 in Wisconsin.

Registered voters were interviewed by telephone in proportion to the voter turnout in statewide elections in each county. Telephone numbers were selected based upon a list of telephone exchanges from throughout the state. The exchanges were selected to ensure that each region was represented in proportion to its population. In an effort to increase coverage, this land-line sample was supplemented by respondents reached through random dialing of cell phone numbers. The land-line and cell phone samples were then combined.

Results are statistically significant within 3.5 percentage points. The results for likely voters are statistically significant within 4.5 percentage points. The error margin increases for cross-tabulations.

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