Suppose you have selected a random sample of n = 5 measurements from a normal distribution. Compare

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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.

a. 80% confidence interval

b. 90% confidence interval

c. 95% confidence interval

d. 98% confidence interval

e. 99% confidence interval

f. 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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Statistics For Business And Economics

ISBN: 9780136855354

14th Edition

Authors: James T. McClave, P. George Benson, Terry T Sincich

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