For upper and lower control limits of 23.29 and 16.71, which machine(s), if any, appear(s) to have an out-of-control process mean?
A)machine #1
B)machine #2
C)machine #3
D)all of the machines
E)none of the machines

Question

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The Answer of For upper and lower control limits of 23.29 and 16.71, which machine(s), if any, appear(s) to have an out-of-control process mean?
A)machine #1
B)machine #2
C)machine #3
D)all of the machines
E)none of the machines

For Upper and Lower Control Limits of 23