A gear has been designed to have a diameter of 3 inches. The standard deviation of the
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A gear has been designed to have a diameter of 3 inches. The standard deviation of the process is 0.2 inch.
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.
Transcribed Image Text:
Gears 4 i 2 3 4 5 6 7 8 9 10 Observation number 3. 2. Diameter (in inches)
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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