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A simple random sample of size n is drawn. The sample mean, x overbar, is found to be 19.3, and the sample standard deviation, s,

A simple random sample of size n is drawn. The sample mean, x overbar, is found to be 19.3, and the sample standard deviation, s, is found to be 4.4. (d) If the sample size is 12, what conditions must be satisfied to compute the confidence interval

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