CONFIDENCE INTERVAL CONCEPTS

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Look in the newspapers, magazines, and other news sources for results of a survey or poll that show the confidence interval, usually shows as a +/- some amount.  Describe the survey or poll and then describe the interval shown.  How does knowing the interval, rather than just the main result, impact your view of the results? 


What is the difference between a point estimate and a confidence interval?


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    Amanda Smith
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