Question 22: Xbar and R-charts have been plotted for the pressure in aerosol cans. The center line (CL) equals 60 psi (pounds per square inch) and the upper control limit (UCL) equals 61. The sample size used in the statistical process control of the filling of these cans equals 9 cans. What is the standard deviation of the pressure in individual cans?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Question 22: Xbar and R-charts have been
plotted for the pressure in aerosol cans. The
center line (CL) equals 60 psi (pounds per
square inch) and the upper control limit
(UCL) equals 61. The sample size used in
the statistical process control of the filling of
these cans equals 9 cans. What is the
standard deviation of the pressure in
individual cans?
Transcribed Image Text:Question 22: Xbar and R-charts have been plotted for the pressure in aerosol cans. The center line (CL) equals 60 psi (pounds per square inch) and the upper control limit (UCL) equals 61. The sample size used in the statistical process control of the filling of these cans equals 9 cans. What is the standard deviation of the pressure in individual cans?
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