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 x ch
Posted: Thu Jul 14, 2022 1:47 pm
a) 15.2
b) 15.4
c) 14.8
d) 14.9
b) 15.4
c) 14.8
d) 14.9
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