Question: Daily inspections results for the model 4116 electrical screwdriver assembly line, during the month of May, are given in the table below. DateNumber Inspected
Question:
Daily inspections results for the model 4116 electrical screwdriver assembly line, during the month of May, are given in the table below.
DateNumber Inspected Number Non-conforming
1-May 500 5
2-May 550 6
3-May 700 8
4-May 620 13
5-May 700 7
8-May 550 8
9-May 650 7
10-May 600 6
11-May 470 9
12-May 450 16
15-May 590 7
16-May 550 8
17-May 530 7
18-May 530 10
19-May 650 3
22-May 680 8
23-May 450 2
24-May 500 18
25-May 400 3
26-May 550 8
29-May 600 10
30-May 700 4
31-May 660 9
1-Jun 450 8
2-Jun 500 6
a) Plot a p chart for this process.
b) Assuming that out of control points are assignable, prepare the revised p chart for the following weeks in the month of June (tip: to calculate the new control limits use the closest multiple of 10 to the average number of inspection).
Please solve using excel
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