# Statistics Questions and Answers: Margin of Error, Standard Error, Standard Deviation in Real World

May 26th, 2016
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STATISTICS HOMEWORK, TEST, ORPRACTICE QUESTIONS BASED ONPOLLING SCENARIOSQUESTIONS: COVERING STANDARD ERROR, MARGIN OR ERROR, ANDSTANDARD DEVIATIONTwenty-five independent polls of one thousand random people each are takenduring the course of an extremely close election campaign. People in the poll are askedwhich of the two candidates they favor and the percentage who favor the incumbentcandidate is computed for each poll.a. Estimate the standard error and the margin of error for each of these polls.Justify your answer and briefly explain the differences between them.b. How large a p

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