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Source: Research 2000 (url)

CandidatePolitical PartyPollGraphPoll Details
RMike CastleRepublican46%piePoll Date: 2009-10-14
DBeau Biden^Democratic45%Number Polled: 600
-Other-0%Margin of Error: 4%
-Undecided-9%Voter Type: Likely

  ^ = Incumbent Party (Current Senator Retiring)

Statistical dead heat

 By: Olawakandi (D-CA) on 2009-11-19 @ 18:41:35

Question: If the 2010 election for U.S. Senate were held today, for whom would you vote for if the choices were between Beau Biden, the Democrat, and Mike Castle, the Republican?
BEAU BIDEN MIKE CASTLE UNDECIDED
ALL 45 46 9

Question If the 2010 election for U.S. Senate were held today, for whom would you vote for if the choices were between Chris Coons, the Democrat, and Mike Castle, the Republican?
CHRIS COONS MIKE CASTLE UNDECIDED
ALL 39 51 10

About this Poll
The Research 2000 Delaware Poll was conducted from October 12 through October 14, 2009. A total of 600 likely voters who vote regularly in state elections were interviewed statewide by telephone.

Those interviewed were selected by the random variation of the last four digits of telephone numbers. A cross-section of exchanges was utilized in order to ensure an accurate reflection of the state. Quotas were assigned to reflect the voter registration of distribution by county.

The margin for error, according to standards customarily used by statisticians, is no more than plus or minus 4% percentage points. This means that there is a 95 percent probability that the “true” figure would fall within that range if the entire population were sampled. The margin for error is higher for any subgroup, such as for gender or party affiliation.

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