Find the margin of error. Example 6 tells us that a SurveyUSA Poll asked 519 likely voters

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Find the margin of error. Example 6 tells us that a SurveyUSA Poll asked 519 likely voters in Iowa which presidential candidate they would vote for; 50% said they would vote for John Kerry. Use the quick method to estimate the margin of error for conclusions about all likely voters in Iowa. How does your result compare with SurveyUSA’s margin of error given in Example 6?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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