Question: 20 Exhibit C Examine the Statistical Process Control outputs. Four items are randomly selected and measured for each sample. The measurements for five samples are

20 Exhibit C Examine the Statistical Process
20 Exhibit C Examine the Statistical Process Control outputs. Four items are randomly selected and measured for each sample. The measurements for five samples are shown in the following Table. of Item 1 Item 2 Item 3 Item 4 12.2 12.6 12 12.1 11.9 12.5 12.4 12.7 Sample # 1 Sample # 2 Sample #3 Sample #4 Sample #5 12 12.2 12.9 13.1 13 12.5 14 12.8 12.2 12.8 12.7 12 Based on the data from Exhibit C, which of the following control chart(s) should be used to monitor the changes in process mean and in process variability of these measurements? Select one: a. P-chart and C-chart b. Mean chart and Range chart c. All charts mentioned here should be used. d. Mean chart e. Range chart

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