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Source: Research 2000 (url)

CandidatePolitical PartyPollGraphPoll Details
RCharles E. Grassley*Republican56%piePoll Date: 2010-02-17
DRoxanne ConlinDemocratic35%Number Polled: 600
-Other-0%Margin of Error: 4%
-Undecided-9%Voter Type: Likely

  * = Incumbent

Grassley safe for now

 By: Olawakandi (D-CA) on 2010-02-19 @ 13:10:29

Question: If the election for U.S. Senate were held today, for whom would you vote for if the choices were between Roxanne Conlin, the Democrat, and Charles Grassley, the Republican? GRASSLEY CONLIN UNDECIDED
ALL 56% 35% 9%

About this Poll
The Research 2000 Iowa Poll was conducted from February 15 through February 17, 2010. 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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