Asked by angela
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 B
A. 2
B. 3
C. 4
D. 4.1
answer B
Answers
Answered by
PsyDAG
agree.
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