The following summary of data is for subgroups of n = 3 for a 10 day period:

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The following summary of data is for subgroups of n = 3 for a 10 day period:
The following summary of data is for subgroups of n

a. Compute control limits for the range.
b. Is there evidence of special cause variation in (a)?
c. Compute control limits for the mean.
d. Is there evidence of special cause variation in (c)?

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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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