SOLUTION: The mean score on the exit examination for an urban high school is 63 with a standard deviation of 9. What is the standard deviation of the distribution of sample means with a samp
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Question 1033183: The mean score on the exit examination for an urban high school is 63 with a standard deviation of 9. What is the standard deviation of the distribution of sample means with a sample size of 9?
A. 2
B. 3
C. 4
D. 4.1 Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! B. 3
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The standard deviation of the distribution of sample means with a sample size of 9 is given by .