Question: Suppose you have selected a random sample of n = 5 measurements from a normal distribution. Compare the standard normal z values with the corresponding t-values if you were forming the following confidence intervals.

1. 80% confidence interval
2. 90% confidence interval
3. 95% confidence interval
4. 98% confidence interval
5. 99% confidence interval

g. Use the table values you obtained in parts a-e to sketch the z- and t-distributions. What are the similarities and differences?

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