Question: A quality engineer is assessing the capability of a process. He took a sample of the production line for the inner tubes, which yileded an

  1. A quality engineer is assessing the capability of a process. He took a sample of the production line for the inner tubes, which yileded an average of 61 psi with a satndard deviation of 2 psi. The specification calls for the acceptance range to be from 55 psi to 65 psi. What is the Cpk of this line?

    A.

    1.35
    B.

    1.15
    C.

    1.0
    D.

    0.67

2.

A quality engineer is assessing the capability of a process. He took a sample of the production line for the inner tubes, which yileded an average of 61 psi with a satndard deviation of 2 psi. The specification calls for the acceptance range to be from 55 psi to 65 psi. Based on the calculated Cpk, this process is capable.

True

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