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4- The number of nonconforming switches in samples of size 150 are shown in the Table. Construct a fraction nonconforming control chart (p-chart) for these data. Does the process appear to be in control? If not assume that assignable causes can be found for all points outside the control limits and calculate the revised control limits. Sample Number Number of Nonconforming Switches Sample Number Number of Nonconforming Switches 1 8 11 6 2 1 12 0 3 3 13 4 4 0 14 0 5 2 15 3 6 4 16 1 7 0 17 15 8 1 18 2 9 10 19 3 10 6 20 0

          4- The number of nonconforming switches in samples of size 150 are shown in the Table. Construct a fraction nonconforming control chart (p-chart) for these data. Does the process appear to be in control? If not assume that assignable causes can be found for all points outside the control limits and calculate the revised control limits. Sample Number Number of Nonconforming Switches Sample Number Number of Nonconforming Switches 1 8 11 6 2 1 12 0 3 3 13 4 4 0 14 0 5 2 15 3 6 4 16 1 7 0 17 15 8 1 18 2 9 10 19 3 10 6 20 0

$4- The number of nonconforming switches in samples of size 150 are shown in the Table. Construct a fraction nonconforming control chart (p-chart) for these data. Does the process appear to be in control? If not assume that assignable causes can be found for all points outside the control limits and calculate the revised control limits. Sample Number Number of Nonconforming Switches Sample Number Number of Nonconforming Switches 1 8 11 6 2 1 12 0 3 3 13 4 4 0 14 0 5 2 15 3 6 4 16 1 7 0 17 15 8 1 18 2 9 10 19 3 10 6 20 0$

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