In statistical process control, the hourly samples are taken. The sample means are: 156.46, 199.62, 189.31, 102.22, and 112.09 respectively. Also, the ranges of these samples are 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. If the upper control limit of R chart is 28.17, what is the sample size of each sample? O a. 5 O b. 6 O c. 7 O d. 4 е. None is correct

In statistical process control, the hourly samples are taken. The sample means are: 156.46, 199.62, 189.31, 102.22, and 112.09 respectively. Also, the ranges of these samples are 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. If the upper control limit of R chart is 28.17, what is the sample size of each sample? O a. 5 O b. 6 O c. 7 O d. 4 е. None is correct

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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In an existing process, we have found that the lower control limit for X-bar chart is 8.08. Whereas, the lower and upper control limits for R-chart are 0 to 2.25 respectively. The following measurements for one sample are taken: 8.5, 8.9, 8.28, and 8.7. Using both the X-bar chart and R- chart for this particular sample, what we can conclude about the overall process a. Insufficient information to conclude b. Process is in-control C. Perfect process d. Process is out-of-control.
A manager wishes to build a control chart for a process. A total of hve (05) samples are collected with six x(06) observations within each sampleThe sample means (X-bar) are15.36, 14.61, 16.36, 20.28and 15.77 respectively. Also, the corresponding ranges are 8, 37, 4.81, 8.17 and 3.31 respectivelyThe lower and upper control limits of the x-bar chart are respectively
Time left 0:08:09 In statistical process control, the hourly samples are taken. The sample means are: 156.46, 199.62, 189.31, 102.22, and 112.09 respectively. Also, the ranges of these samples are 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. If the upper control limit of X-bar chart is 157.87, what is the sample size of each sample? O a. 4 O b. 7 O c. 5 O d. 6 O e. None is correct CLEAR MY CHOICE S PAGE NEXT PAGE
Given there are five (05) sample taken. 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, 4.81, 8.17, and 3.31 respectively. If the upper control limit for X-bar chart is 20.59, what should be the most appropriate the sample size? О а. 5 O b. 3 О с. 4 O d. 2 O e. None is correct БЕ NEXT PAGE https://elearn.sc 321
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