17. A random sample of size n=25 is selected from a normal population with mean m =106...
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17. A random sample of size n=25 is selected from a normal population with mean m =106 and standard deviation s =12. describe the approximate shape of the sampling distribution for the sample mean and find its mean and standard error.
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Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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