Multiple Choice
The mean of the sample means and the standard deviation of 50 samples of size 5 taken from a production process under control are found to be 300 and 25, respectively. At which of the following values would the lower control limit for the chart be located?
A) 333.54
B) 310.61
C) 289.39
D) 266.46
Correct Answer:

Verified
Correct Answer:
Verified
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