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Minnesota

2006 CANDIDATES
Mike Hatch
Tim Pawlenty
Ken Pentel
Peter Hutchinson

ROLLING 5-POLL AVERAGE 4
DATE 1 MOE 2 S 3
NOV 1 44.2 48.7 7.1 +/- 1.8 3037
OCT 28 44.3 48.6 7.1 +/- 1.8 3037
OCT 16 46.0 48.1 5.9 +/- 1.6 3559

INDIVIDUAL POLLS 4
DATE 1 POLLSTER MOE 2 S 3
NOV 1 RASMUSSEN 45.9 48.0 6.1 +/- 4.4 500
OCT 28 U MINNESOTA 41.9 48.4 9.7 +/- 3.8 663
OCT 27 RASMUSSEN 46.2 47.6 6.2 +/- 3.6 750
OCT 27 MASON-DIXON 45.7 47.8 6.5 +/- 3.9 625
OCT 27 ST. CLOUD STATE 40.9 52.3 6.8 +/- 4.4 499
OCT 25 RASMUSSEN 46.3 47.4 6.3 +/- 4.4 500
OCT 16 ZOGBY/WSJ 46.8 46.9 6.3 +/- 3.1 1000
OCT 11 STAR TRIBUNE 41.1 51.1 7.8 +/- 3.4 818
OCT 4 RASMUSSEN 46.9 51.0 2.0 +/- 4.4 500
SEP 27 SURVEY USA 47.4 46.3 6.3 +/- 3.9 616
SEP 20 MASON-DIXON 48.8 45.3 5.8 +/- 3.9 625

NOTES
1 Date is the last day that the poll was taken. Often polls are embargoed for several days until their release date.
2 Margin of Error. MOE is related to sample size, 0.98 divided by the square root of the sample size at 95% confidence (19 times out of 20). For example, a sample of 1000 people has a MOE of +/- 3.1% and a sample of 2000 people has a MOE of +/- 2.2%. For rolling averages, the samples are assumed to be independent, thus sample sizes are aggregated to produce an overall MOE. In practice, some polling firms use lists with repeat calls; in these case, it is more precise to reduct these repeat calls from the overall sample size, thus the actual margin of error might be slightly higher. Example: 5 surveys of 1000 people would normally produce a MOE of +/- 1.4%, if samples were independent. If 25% of calls were repeat calls, however, a more accurate MOE would be based on 4000, not 5000, people, producing a MOE of +/- 1.5%.
3 Sample size.
4 Poll numbers exclude undecided voters (and in some cases include estimated for Others), thus are pro-rated to 100%. For example, if the raw poll data shows the Republican candidate with 47%, the Democratic candidate with 41%, Others with 2% and there were 10% undecided, the results excluding undecideds are: Republican 47/90 = 52.2, Democrat 41/90 = 45.6, Others 2/90 = 2.2.

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