Question: =+machine. Sample temperature and thickness data are shown in the following table. Set up the appropriate control charts. Polymer-Coating Machine: Sample Temperature and Thickness Measurements

=+machine. Sample temperature and thickness data are shown in the following table. Set up the appropriate control charts.

Polymer-Coating Machine: Sample Temperature and Thickness Measurements (taken when the process was under control)

SAMPLE TEMP/

THICK TEMP/

THICK TEMP/

THICK TEMP/

THICK TEMP/

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

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