Question: You have been given the following sample information that has been drawn from the last sample taken: Mean of the sample: 13.67 Lower control limit

You have been given the following sample information that has been drawn from the last sample taken:

Mean of the sample: 13.67

Lower control limit for the range: 0

Upper control limit for the range: 10.6

Observations: 13, 12, 8, 10, 11, 16, 17, 8, 17, 18, 20, 14

Which of the following conclusions does this data support?

Multiple Choice

  • The process is under control.

  • The sample is within specifications.

  • The process is not under control.

  • The sample is out of specification.

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