A machine is used to fill cans of motor oil additive. A single sample can is selected every hour and the net weight of the can is obtained. Since the filling process is automated, it has very stable variability, and long experience indicates that s = 0.02 oz. The process target (process mean when in control) is 8.02 oz. A tabular cusum is being used for this process with standardized values h=4.5 and k=0.5. If the values of Cumulative sums at the end of measurement 7 were C,™ = 0.030 and C,¯ = 0.0 , and measurement 8 is equal to Xg = 8.071, what will be the Cumulative sum at the end of measurement 8, that is Cg* =? 0.041 0.071 0.051 0.046 0.061

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A machine is used to fill cans of motor oil additive. A single sample can is selected every hour and the net
weight of the can is obtained. Since the filling process is automated, it has very stable variability, and long
experience indicates that s = 0.02 oz. The process target (process mean when in control) is 8.02 oz. A
tabular cusum is being used for this process with standardized values h=4.5 and k=0.5. If the values of
Cumulative sums at the end of measurement 7 were C,"
+
= 0.030 and C,¯ = 0.0 , and measurement 8 is
equal to Xg = 8.071, what will be the Cumulative sum at the end of measurement 8, that is C3
+
= ?
0.041
0.071
0.051
0.046
0.061
Transcribed Image Text:A machine is used to fill cans of motor oil additive. A single sample can is selected every hour and the net weight of the can is obtained. Since the filling process is automated, it has very stable variability, and long experience indicates that s = 0.02 oz. The process target (process mean when in control) is 8.02 oz. A tabular cusum is being used for this process with standardized values h=4.5 and k=0.5. If the values of Cumulative sums at the end of measurement 7 were C," + = 0.030 and C,¯ = 0.0 , and measurement 8 is equal to Xg = 8.071, what will be the Cumulative sum at the end of measurement 8, that is C3 + = ? 0.041 0.071 0.051 0.046 0.061
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