How was the research done?
"A total of 625 registered Colorado voters were interviewed statewide by telephone. All stated they were likely to vote in the November general election. An additional 200 independent/unaffiliated voters also were interviewed, and the statewide results have been proportionately weighted to reflect the responses of all independent/unaffiliated voters.
A cross-section of phone exchanges was utilized to ensure an accurate reflection of the state. Quotas were assigned to reflect the voter turnout by county.
A cross-section of phone exchanges was utilized to ensure an accurate reflection of the state. Quotas were assigned to reflect the voter turnout by county.
The margin of error 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 of error is higher for any subgroup, such as regional or gender grouping" (The Denver Post).
Below is a picture representation of the research conducted:
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