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Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
النسخة 3الرقم المعياري الدولي: 978-9352863501Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
النسخة 3الرقم المعياري الدولي: 978-9352863501 تمرين 34
An econometrics class has 80 students, and the mean student weight is 145 lb. A random sample of four students is selected from the class, and their average weight is calculated. Will the average weight of the students in the sample equal 145 lb Why or why not Use this example to explain why the sample average,
, is a random variable.
, is a random variable.التوضيح
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We are told that a class has 80 students...
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
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