
205Measurement System Analysis at a Medical Equipment Manufacturer
The quality head then wishes to ensure that the system used to inspect the
parts for “pass/fail” is efcient. Because this is attribute data, the procedure
to evaluate the measurement system is different. Ten parts are randomly
selected and each of the 3 operators (John, Mary, and Buddy) is asked to
evaluate whether each part is “pass” or “fail”. This exercise is repeated for
each operator (2 trials). Table12.2 shows the data collected. The last column
(“Standard”) of Table12.2 is the response by a “master inspector” who is
assumed to be correct.
Open the CHAPTER_12_ATTRIBUTE.MT ...