A random sample of 25 items is drawn from a population whose standard deviation is known to
Question:
a. Construct an interval estimate for with 95 percent confidence.
b. Repeat part a assuming that n 5 50.
c. Repeat part a assuming that n 5 100.
d. Describe how the confidence interval changes as n increases.
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a or 25432 28568 b 25...View the full answer
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Related Book For 
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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