Four samples (k = 4) are taken from a process with each sample consisting of six observations

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Four samples (k = 4) are taken from a process with each sample consisting of six observations (n = 6). The length in centimeters of each sampled item was measured, with the following results:

Develop an R chart to determine if the dispersion is stable or not.

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Managing Supply Chain and Operations An Integrative Approach

ISBN: 978-0132832403

1st edition

Authors: Thomas Foster, Scott E. Sampson, Cynthia Wallin, Scott W Webb

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Question Posted: Nov 28, 2015 07:12 AM

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Four samples (k = 4) are taken from a process with each sample consisting of six observations

Question:

Sample Obs1 Obs2 Obs3 Obs4 Obs5 Obs6 24.70 25.86 25.08 24.92 25.46 25.21 25.31 25.56 24.36 24.66 25.00 24.82 24.66 26.29 24.85 24.24 25.73 23.91 25.14 4 26.26 25.50 24.82 23.74 25.94

Step by Step Answer:

The chart shows just common variation Although this co...View the full answer

Managing Supply Chain and Operations An Integrative Approach

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