Use the data to create an x chart to test whether the process mean is under control.
Question:
Use the data to create an x̄ chart to test whether the process mean is under control.
2.5, 2.66, 2.8, 2.3, 2.5, 2.33, 2.41, 2.88, 2.54, 2.11, 2.26, 2.3, 2.41, 2.44, 2.17,
2.52, 2.55, 2.38, 2.89, 2.9, 2.11, 2.12, 2.13, 2.16
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Related Book For
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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