A television poll. A television news program conducts a call-in poll about immigration. Of the 2372 callers,

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A television poll. A television news program conducts a call-in poll about immigration. Of the 2372 callers, 1921 believe that the level of immigration in the United States should be decreased. The station, following 516 CHAPTER 23 Use and Abuse of Statistical Inference recommended practice, makes a confidence statement: “81% of the Channel 13 Pulse Poll sample support decreasing the number of immigrants we allow in the United States. We can be 95% confident that the true proportion of citizens who want to see the level of immigration into the United States decreased is within 1.6% of the sample result.” The confidence interval calculation is correct, but the conclusion is not justified. Why not?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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