tion 20 yet vered 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 Item 1 Item 2 Item 3 Item 4 s out of tion Sample # 1 12.2 12.6 12 12.1 Sample #2 11.9 12.5 12.4 12.7 Sample #3 12 122 12.9 13.1 Sample #4 12.5 12.5 12.4 12.8 Sample #5 122 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. Mean chart b. P-chart and C-chart c. Mean chart and Range chart d. All charts mentioned here should be used e. Range chart