Question: Polymer-Coating Machine: Sample Temperature and Thickness Measurements (taken when the process was under control) Temp/ Temp/ Temp/ Temp/ Temp/ Sample Thick Thick Thick Thick Thick
Polymer-Coating Machine: Sample Temperature and Thickness Measurements (taken when the process was under control)
| Temp/ | Temp/ | Temp/ | Temp/ | Temp/ | |
| Sample | Thick | Thick | Thick | Thick | Thick |
| June 10 | 165/4.2 | 169/3.9 | 165/4.0 | 164/4.0 | 169/3.9 |
| June 15 | 161/3.8 | 165/4.2 | 166/4.0 | 167/4.8 | 165/4.2 |
| June 20 | 169/3.9 | 161/3.8 | 167/4.8 | 164/4.0 | 167/4.8 |
| June 25 | 164/4.1 | 168/4.0 | 166/4.0 | 165/4.0 | 163/3.5 |
| June 30 | 166/4.0 | 168/4.0 | 169/3.9 | 163/4.3 | 166/3.7 |
| July 5 | 168/4.0 | 163/3.5 | 167/4.8 | 164/4.0 | 166/4.0 |
| July 10 | 162/4.5 | 164/4.1 | 169/3.9 | 167/4.8 | 163/3.9 |
| July 15 | 163/3.5 | 168/4.0 | 165/4.0 | 165/4.0 | 167/4.8 |
| July 20 | 167/4.8 | 167/3.2 | 164/4.1 | 167/4.8 | 164/4.1 |
| July 25 | 167/3.2 | 163/3.5 | 168/4.0 | 165/3.8 | 168/4.0 |
| July 30 | 163/4.0 | 165/3.8 | 165/4.2 | 169/3.9 | 163/4.0 |
| August 5 | 163/3.8 | 165/4.2 | 169/3.8 | 165/4.2 | 163/3.5 |
1. after making improvements, steve Edwards decides to set up control charts to monitor the temperature and thickness results for the polymer coating machine. sample temperature and thickness data are shown in the following table. set up the appropriate control charts.
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