Use the data in the Excel file (#1 Data). These data represent seven samples (taken on seven sequential days) each containing eight bags of salt. The weights (in ounces) are shown. Create an X-bar chart and an R-chart for the data provided. Comment on whether each chart indicates the process is in control or not. Sample Observation 1 2 3 4 5 6 7 1 61.20 62.00 60.50 61.20 61.40 59.20 62.10 2 61.00 61.40 63.40 61.00 62.30 61.00 63.00 3 60.80 60.20 60.80 60.80 60.20 60.80 60.20 4 59.10 61.30 58.70 62.10 61.30 60.00 61.30 5 61.40 60.60 61.40 61.40 60.60 61.40 59.30 6 61.70 60.30 62.10 61.70 59.80 62.10 60.30 7 62.40 61.30 62.40 62.40 61.30 62.40 61.30 8 61.10 60.20 60.90 62.30 60.20 60.20 60.50
Use the data in the Excel file (#1 Data). These data represent seven samples (taken on seven sequential days) each containing eight bags of salt. The weights (in ounces) are shown. Create an X-bar chart and an R-chart for the data provided. Comment on whether each chart indicates the process is in control or not. Sample Observation 1 2 3 4 5 6 7 1 61.20 62.00 60.50 61.20 61.40 59.20 62.10 2 61.00 61.40 63.40 61.00 62.30 61.00 63.00 3 60.80 60.20 60.80 60.80 60.20 60.80 60.20 4 59.10 61.30 58.70 62.10 61.30 60.00 61.30 5 61.40 60.60 61.40 61.40 60.60 61.40 59.30 6 61.70 60.30 62.10 61.70 59.80 62.10 60.30 7 62.40 61.30 62.40 62.40 61.30 62.40 61.30 8 61.10 60.20 60.90 62.30 60.20 60.20 60.50
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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- Use the data in the Excel file (#1 Data). These data represent seven samples (taken on seven sequential days) each containing eight bags of salt. The weights (in ounces) are shown.
Create an X-bar chart and an R-chart for the data provided. Comment on whether each chart indicates the process is in control or not.
| Sample | |||||||
| Observation | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 1 | 61.20 | 62.00 | 60.50 | 61.20 | 61.40 | 59.20 | 62.10 |
| 2 | 61.00 | 61.40 | 63.40 | 61.00 | 62.30 | 61.00 | 63.00 |
| 3 | 60.80 | 60.20 | 60.80 | 60.80 | 60.20 | 60.80 | 60.20 |
| 4 | 59.10 | 61.30 | 58.70 | 62.10 | 61.30 | 60.00 | 61.30 |
| 5 | 61.40 | 60.60 | 61.40 | 61.40 | 60.60 | 61.40 | 59.30 |
| 6 | 61.70 | 60.30 | 62.10 | 61.70 | 59.80 | 62.10 | 60.30 |
| 7 | 62.40 | 61.30 | 62.40 | 62.40 | 61.30 | 62.40 | 61.30 |
| 8 | 61.10 | 60.20 | 60.90 | 62.30 | 60.20 | 60.20 | 60.50 |
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