2006 CANDIDATES
Jennifer Granholm
Dick DeVos
Douglas Campbell
Greg Creswell
Bhagwan Dashairya

DATE 1					MOE 2	S 3
NOV 4		44.1	54.3	1.7	+/- 1.8	3044
OCT 30		44.6	53.3	2.1	+/- 1.6	3753
OCT 15		44.9	52.2	2.9	+/- 1.7	3523

DATE 1	POLLSTER				MOE 2	S 3
NOV 4	SURVEY USA	46.4	52.6	1.0	+/- 3.7	687
NOV 2	MASON DIXON	41.3	56.5	2.2	+/- 3.9	625
NOV 2	DETROIT FREE PRESS	42.3	55.7	2.1	+/- 4.2	532
NOV 2	DETROIT NEWS	45.2	52.7	2.2	+/- 4.0	600
NOV 1	DETROIT NEWS	44.8	54.2	2.2	+/- 4.0	600
OCT 30	DETROIT NEWS	44.2	54.7	1.1	+/- 4.0	600
OCT 27	ZOGBY/WSJ	44.3	53.6	2.1	+/- 2.9	1150
OCT 25	DETROIT NEWS	46.2	51.6	2.2	+/- 4.0	600
OCT 24	RESEARCH 2000	43.0	53.8	3.2	+/- 4.0	600
OCT 24	SURVEY USA	45.5	52.5	2.0	+/- 3.5	803
OCT 16	ZOGBY/WSJ	45.1	51.8	3.1	+/- 3.1	1000
OCT 12	EPIC/MRA	44.2	53.7	2.1	+/- 4.0	608
OCT 11	DETROIT FREE PRESS	44.1	52.7	3.2	+/- 3.9	643
OCT 8	SURVEY USA	45.9	51.0	3.1	+/- 3.5	772
OCT 4	RASMUSSEN	44.7	52.1	3.2	+/- 4.4	500

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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