If the means for sample 1 to 4 for a process are, 12.67, 22.32, 14.53, – McqOptions

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1.	If the means for sample 1 to 4 for a process are, 12.67, 22.32, 14.53, 12.11; what value will be the center line of chart indicating?
A.	15.2
B.	15.4
C.	14.8
D.	14.9
Answer» C. 14.8

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