Question: Make a control chart for the data referred to in Exercise 2.92 and comment. Make a time plot of the mail order phone call data

Make a control chart for the data referred to in Exercise 2.92 and comment.
Make a time plot of the mail order phone call data in Exercise 2.48 and comment on the statistical control.
In Exercise 2.48

118 118 57 92 127 109 96 68 73 69 106 91 93 94 102 105 100 104 80 50 96 82 72 108 73

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