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Suppose a random sample of 15 NKU students indicates that the group spent an average of $1362 on books and supplies for the Spring semester

Suppose a random sample of 15 NKU students indicates that the group spent an average of $1362 on books and supplies for the Spring semester of 2022. The sample standard deviation is $102. Find a 90% confidence interval for the cost of books and supplies for all NKU students this semester. You may assume that all validity conditions are met. Give an interpretation of your confidence interval

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