Question: Suppose the 90 confidence interval for the mean SAT scores

Suppose the 90% confidence interval for the mean SAT scores of applicants at a business college is given by [1690,
1810]. This confidence interval uses the sample mean and the sample standard deviation based on 25 observations. What are the sample mean and the sample standard deviation used for the interval?


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  • CreatedJanuary 28, 2015
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