Question: What is a sampling distribution? What does the knowledge of population standard deviation contribute to a researcher's understanding of a theoretical sampling distribution (regarding its

What is a sampling distribution? What does the knowledge of population standard deviation contribute to a researcher's understanding of a theoretical sampling distribution (regarding its characteristics and shape)?

Contrast a t distribution from that of the standard normal distribution. In what ways might the total number of cases in a data set (N) effect the confidence interval (CI)?

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