The following data represent samples that were taken on 10 separate days. Each day has a varying sample size and the number of defects for the items sampled is listed. We want to see if this process is consistent and in control. Day Sample Size Defects 1 100 8 2 120 4 3 190 10 4 190 7 5 240 20 6 245 8 7 105 4 8 165 6 9 245 27 10 255 37 Find the UCL. Find the LCL. Is the process in control? Why/why not?
The following data represent samples that were taken on 10 separate days. Each day has a varying sample size and the number of defects for the items sampled is listed. We want to see if this process is consistent and in control. Day Sample Size Defects 1 100 8 2 120 4 3 190 10 4 190 7 5 240 20 6 245 8 7 105 4 8 165 6 9 245 27 10 255 37 Find the UCL. Find the LCL. Is the process in control? Why/why not?
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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The following data represent samples that were taken on 10 separate days. Each day has a varying
|
Day |
Sample Size |
Defects |
|
1 |
100 |
8 |
|
2 |
120 |
4 |
|
3 |
190 |
10 |
|
4 |
190 |
7 |
|
5 |
240 |
20 |
|
6 |
245 |
8 |
|
7 |
105 |
4 |
|
8 |
165 |
6 |
|
9 |
245 |
27 |
|
10 |
255 |
37 |
- Find the UCL.
- Find the LCL.
- Is the process in control? Why/why not?
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