Question: 1. (25 points) It is proposed to develop X and R charts to control the diameter of a product. The following data has been collected

1. (25 points) It is proposed to develop X and R
1. (25 points) It is proposed to develop X and R charts to control the diameter of a product. The following data has been collected for some samples. Sample # X (individual item diameters) values in sample 10.1, 10.3, 10.0, 9.9 9.8, 10.2, 10.1, 9.9 10.3, 10.2, 9.9, 9.8 9.9, 9.9, 9.8, 10.3 10.2, 10.3, 9.8, 9.9 Obtain the upper and lower control limits for X and R charts for quality control. Answers: (7 points) X Upper Control Limit (7 points) X Lower Control Limit (6 points) R Upper Control Limit (5 points) R Lower Control Limit

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