2. A professor records the number of students who complain each week throughout

2. A professor records the number of students who complain each week throughout the semester. If the class size is forty students what are 3-sigma control limits for this class? Construct a control p-chart and interpret the data. Is the process in control?(See attachment for chart)
2. A professor records the number of students who complain each week throughout the semester. If the class size is forty students what are 3-sigma control limits for this class? Construct a control p-chart and interpret the data. Is the process in control? (20 points)
Week number
Complaints
1
5
2
2
3
7
4
1
5
3
6
2
7
8
8
1
9
3
10
5
11
4
12
6
13
3
14
1
15
4
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