Question: A random sample of16values is drawn from a mound-shaped and symmetric distribution. The sample mean is14and the sample standard deviation is 2. Use a level

A random sample of16values is drawn from a mound-shaped and symmetric distribution. The sample mean is14and 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 is13.5.

How many degrees of freedom

do we use?

of the sample test statistic. (Round your answer to three decimal places.)

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