Question: Question 3. Let an be the sample standard deviation, o' be the population variance, n be the sample size, and X, be the sample mean.




Question 3. Let an be the sample standard deviation, o' be the population variance, n be the sample size, and X, be the sample mean. For the unknown population mean , state . the two-sided 100(1-o) percent confidence interval . the upper 100(1-o) percent confidence interval . the lower 100(1-o) percent confidence interval . whether the confidence intervals above are exact or approximate under each of the following sets of assumptions:{a} Population distribution is unknown o is unknown, and n is not large enough for WLLN and CLT to apply
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