Process capable of producing the part at three-sigma level

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Reference no: EM132185996

The Farley Manufacturing Company prides itself on the quality of its products. The company is engaged in competition for a very important project. A key element is a part that ultimately goes into precision testing equipment. The specifications are 8.000±3.000 millimeters. Management is concerned about the capability of the process to produce that part. The accompanying data were randomly collected during test runs of the process.

* Observation_(millimeters) * * * * * * *

Sample 1 2 3 4 5 6 7 8

1 9.600 8.600 8.100 8.500 9.100 9.000 10.100 7.200

2 7.000 9.600 7.300 9.000 7.900 7.400 8.400 7.400

3 8.600 8.900 9.400 7.300 8.900 9.700 7.400 9.400

4 7.800 7.700 8.300 7.400 8.200 7.800 9.500 7.900

5 9.100 8.600 7.800 8.500 7.700 9.600 9.300 9.100

The process capability index, Cpk , is equal to _______ (Enter your response rounded to three decimal places.)

Assume that the process is in statistical control. Is the process capable of producing the part at the three-sigma level? Explain.

Since Cp equals _______, the process _______. (Enter your response rounded to three decimal places.)

Reference no: EM132185996

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