A manager wishes to build a control chart for a process. A total of five (05) samples are collected with eight (08) observations within each sample. The sample means (X-bar) are; 15.36,14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding ranges are; 10.79, 8.37, 2.81,8.17, and 3.31 respectively. The lower and upper control limits of the R-chart are, respectively Select one

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
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A manager wishes to build a control chart for a process. A total of five (05) samples are collected with eight (08) observations
within each sample. The sample means (X-bar) are; 15.36,14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding
ranges are; 10.79, 8.37, 2.81,8.17, and 3.31 respectively. The lower and upper control limits of the R-chart are
respectively Select one
.a
12.84 ,0.54
None is correct
.C
15.25 ,0
.d
14.11,0
Le
12.44,0.94
The correct answer is: 0.94, 12.44
Transcribed Image Text:A manager wishes to build a control chart for a process. A total of five (05) samples are collected with eight (08) observations within each sample. The sample means (X-bar) are; 15.36,14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding ranges are; 10.79, 8.37, 2.81,8.17, and 3.31 respectively. The lower and upper control limits of the R-chart are respectively Select one .a 12.84 ,0.54 None is correct .C 15.25 ,0 .d 14.11,0 Le 12.44,0.94 The correct answer is: 0.94, 12.44
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