Question

Suppose you have selected a random sample of n = 7 measurements from a normal distribution. Compare the standard normal z-values with the corresponding (z-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 (-distributions. What are the similarities and differences?


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  • CreatedMay 20, 2015
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