Question: J For the Student Survey Data You should have created a how Mean column representing the mean of Rolll - Rolllo for each student .

J For the Student Survey Data You should have created a how Mean column representing the mean of Rolll - Rolllo for each student . This quantity represents a sample meall a. What is the mean of the Row Mean ( sample means ) column ?" 6. Is this estimate centered about the parameter of interest ( mean median in question 18 ) ? C. What is the standard deviation of the Row Mean ( sample means ) column ?" J. Is there a small amount of variability in this estimate

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