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Suppose that you're constructing a confidence interval estimate of a mean and the population standard deviation is not known. AI will add 0.005 to t.

Suppose that you're constructing a confidence interval estimate of a mean and the population standard deviation is not known. AI will add 0.005 to t. Assuming there are 15 observations and you desire 98% confidence in your results, what is the most appropriate number of standard errors to use as the margin of error? Round your answer to 3 decimal places

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