7.28 A random sample of size n = 40 is selected from a population with mean deviation...
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7.28 A random sample of size n = 40 is selected from a population with mean deviation or = 20. = 100 and standard
a. What will be the approximate shape of the sampling distribution of X?
b. What will be the mean and standard deviation of the sampling distribution of x?
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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