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Consider a researcher who is calculating a confidence interval for the mean of some variable. They calculate the mean to be 5 and the margin

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Consider a researcher who is calculating a confidence interval for the mean of some variable. They calculate the mean to be 5 and the margin of error to be 2. Which of the following is the correct confidence interval using the t-distribution? 1, 9 4, 6 2, 5 3, 7

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