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All Possible Random Samples of 200 Middle Managers Are Selected

Question 117

Multiple Choice

All possible random samples of 200 middle managers are selected from a population for a study concerning their mean annual income.The population standard deviation is computed to be $2,248.5.What is the standard deviation of the sampling distribution of the means?


A) $47.42
B) $11.24
C) $158.99
D) $57.86

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