Question: The following exercise is a what-if analysis designed to determine what happens to the test statistics and interval estimates when elements of the statistical inference

The following exercise is a "what-if" analysis designed to determine what happens to the test statistics and interval estimates when elements of the statistical inference change. You may need to use the appropriate appendix table to answer this question. A statistics practitioner took a random sample of size 51. The sample mean and standard deviation are 30 and 11, respectively. (a) Determine the 95% confidence interval estimate of the population mean. (Round your answers to two decimal places.). lower bound and upper bound

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