Find a research article that uses a confidence interval

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1. How would you describe a confidence interval to someone who does not understand statistics? What is the point of it? Why do we do construct one?

2. Find a research article that uses a confidence interval. Give either the citation for it or the website address at which you found it. Discuss what the research was trying to show, as well as the results from the confidence interval. Give a little bit of background information on the study. 

Reference no: EM13751309

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