The following summary of data is for subgroups of n = 4 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 RangDay Mean Range 13.6 14.3 15.3 12.6 11.8 3.5 12.9 17.3 13.9 12.6 15.2 4.8 4.5 2.9 3,8 6 7 5.0 2.8 3.7 4 10
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a Rbar 397 LCL D 3 Rbar 0 397 0 LCL does not exist UCL D 4 Rbar 2282 397 90595...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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