The following summary of data is for subgroups of n = 3 for a 10 day period:
Question:
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)?
Transcribed Image Text:
Day Mean Range Day Mean Range 48.07 022 47.99 0.16 48.04 0.15 47.99046 48.04 0.15 48.03 48.08 47.90 48.03 47.81 0.29 043 0.16 0.13 0.32 10
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a Rbar 0247 R chart UCL 0636 LCL does not exist b Acco...View the full answer
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Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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