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Source: Muhlenberg College (url)
McCain slightly ahead of Obama By: Mark Warner 08 (I-AUT) - 2008-02-27 @ 07:31:28 Question: Poll Demographics About this Poll METHODOLOGY: The following key findings report summarizes data collected in a telephone survey of 588 registered voters in Pennsylvania from February 9 to 17, 2007. Individual households throughout the state were selected randomly for inclusion in the study. To attain a larger sample of Democratic voters in order to measure preferences in the Democratic Primary, an over sample of registered Democrats was included as part of the sampling methodology. After 500 surveys were conducted among a random sample of registered voters in the Commonwealth, an additional sample of Democrats was gathered through a screening process. The actual number of Democratic voters used to make estimates of voter preferences is 302. Estimates of the general voting population are based on a weighted sample that includes all 588 individuals surveyed. The sample of phone numbers used in the survey was generated by Genesys Sampling Systems of Ft. Washington, PA. This number of completions for the entire sample results in a margin of error of +/4.6% at the 95% confidence interval. However the margin of error for Democrats is +/5.6% at the 95%, and the margin of error for all sub groups (i.e. women, Republicans) is larger due to smaller sample size. View All Pennsylvania Polls - View This Poll for Obama vs. McCain Login to Post Comments |
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