The following summary of data is for subgroups of n = 4 for a 10-day period: a.
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 12.9 17.3 Day Mean Range 13.6 14.3 15.3 12.6 11.8 3.5 4.8 4.5 5.0 2.8 3.7 12.6 15.2 10 4.6
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a 397 LCL D 3 0 397 0 LCL does not exist UCL D 4 2282 397 905954 b There ar...View the full answer
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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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