Question: A process is monitored by taking the means of sample measurements every week. These weekly mean values are then plotted versus time to obtain this

A process is monitored by taking the means of sample measurements every week. These weekly mean values are then plotted versus time to obtain this graph:A process is monitored by taking the means of

Assume that the specification limits are outside the control limits. Which of the following statements is TRUE of the process?

  • A.

    The process is capable and in control.

  • B.

    The process is capable but out of control.

  • C.

    The process is incapable and out of control.

  • D.

    The process is incapable but in control.

Control Chart wu 11 10.9 10.8 10.7 10.6 10.5 10.4 10.3 10.2 10.1 10 0 2 4 6 00 10 12 14 Weeks Mean LCL UCL

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