Multiple Choice
You are developing an X-bar chart based on sample means.You know the standard deviation of the sample means is 4, the desired confidence level is 99.7 percent, and the average of the sample means is 24.Which of the following is your UCL?
A) 36
B) 24
C) 12
D) 4
E) None of these
Correct Answer:
Verified
Correct Answer:
Verified
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