To ensure the quality of microprocessor chips

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Reference no: EM13525469

To ensure the quality of microprocessor chips manufactured by Sigma Electronics, the quality control department samples 100 chips produced each day. These chips are subjected to extreme operating conditions for several hours. At the end of the test, the numbers of failed chips are reported. Table 11.11 shows the results for the last 20 test runs. Create a p chart, then report if the production process is in control.
Table 11.11
Sample Number
Number of Failed Microprocessor Chips
1
3
2
0
3
2
4
1
5
4
6
9
7
2
8
5
9
4
10
6
11
0
12
3
13
5
14
2
15
4

Reference no: EM13525469

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