A population has a mean of 200 and a standard deviation of 50.Asimple random sample of size
Question:
a. What is the expected value of x-bar?
b. What is the standard deviation of x-bar?
c. Show the sampling distribution of x-bar.
d. What does the sampling distribution of show? Distribution
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a b c Normal with E 200 and 5 d It shows the probabil...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780538481649
11th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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