Question: Requirements A quality control analyst has collected a random sample of 12 batteries used in heart pacemakers and she plans to test their voltage level

Requirements A quality control analyst has collected a random sample of 12 batteries used in heart pacemakers and she plans to test their voltage level and construct a 95% confidence interval estimate of the mean voltage level for the population of batteries. What requirements must be satisfied in order to construct the confidence interval using the method with the t distribution?

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