(Answered) A random sample of 25 values is drawn from a mound-shaped

Statistics

A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 12 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is 11.5. Compute the t value of the sample test statistic. (Round yoaswer to three decimal places.)

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