The latest Cascade PBS/Elway Poll surveyed 403 registered voters statewide by land line, cell phone and via text to online survey. The poll has a 5% margin of error with a 95% level of confidence, which means if the survey had been repeated 100 times, the results would be within five percentage points of these results at least 95% of the time.
This poll was designed differently from most election polls. Voters were not asked, for example, “If the election was today, who would you vote for?” As Elway explains, this is a poll about the electorate, not about the election. “We give voters credit for knowing the election is
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