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) Below are sizes of grommets in mm. Use x-bar and R charts to determine if the process is in control. Then, using the same data, compute the limits...

1.) Below are sizes of grommets in mm. Use x-bar and R charts to determine if the process is in control. Then, using the same data, compute the limits for x-bar and s charts. Is the process still in control?


Sample X

1: 46, 33, 54, 46, 64

2: 52, 45, 54, 75, 64

3: 34, 64, 36, 46, 63

4: 34, 45, 47, 37, 62

5: 46, 64, 75, 55, 16

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