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Exam CQE topic 1 question 110 discussion

Actual exam question from ASQ's CQE
Question #: 110
Topic #: 1
[All CQE Questions]

An X-bar and R chart was prepared for an operation using twenty samples with five pieces in each sample; X-bar was found to be 33.6 and R-bar was 6.20.
During production, a sample of five was taken and the pieces measured 36, 43, 37, 25, and 38. At the time, this sample was taken:

  • A. Both the average and range were within control limits.
  • B. Neither the average nor range were within control limits.
  • C. Only the average was outside control limits.
  • D. Only the range was outside control limits. D
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Suggested Answer: Explanation 🗳️
by adance1 at Aug. 21, 2020, 7:06 p.m.

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adance1
3 months, 3 weeks ago
Only the range was outside control limits
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