A nail has been designed to have a length of 4 inches. The standard deviation of the

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A nail has been designed to have a length of 4 inches. The standard deviation of the process is 0.12 inch.

Nails 4.50 4.25 - 4.00 3.75 8 10 2 4 12 Observation number Length (in inches)

A control chart is shown. Each chart has horizontal lines drawn at the mean μ, at μ ± 2σ, and at m ± 3σ. Determine whether the process shown is in control or out of control. Explain.

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Elementary Statistics Picturing The World

ISBN: 9780134683416

7th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: May 14, 2019 09:02 AM

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A nail has been designed to have a length of 4 inches. The standard deviation of the

Question:

Nails 4.50 4.25 - 4.00 3.75 8 10 2 4 12 Observation number Length (in inches)

Step by Step Answer:

Out of control because two ...View the full answer

Elementary Statistics Picturing The World

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