S6.24 Telephone inquiries of 100 IRS customers are monitored daily at random by Xiangling Hu. Incidents of

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• • S6.24 Telephone inquiries of 100 IRS “customers” are monitored daily at random by Xiangling Hu. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded. The data for last week follow:

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a) Construct a 3-standard deviation c-chart of nonconformities.

b) What does the control chart tell you about the IRS telephone operators?

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Operations Management: Sustainability And Supply Chain Management

ISBN: 9780135225899,9780135202722

13th Edition

Authors: Jay Heizer; Barry Render; Chuck Munson

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Question Posted: Sep 20, 2024 12:01 AM

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S6.24 Telephone inquiries of 100 IRS customers are monitored daily at random by Xiangling Hu. Incidents of

Question:

DAY 1 2 3 4 5 NO. OF NONCONFORMITIES 5 10 23 20 15

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Operations Management: Sustainability And Supply Chain Management

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