Question: 3. (50 points) You want to define control limits, UCL and LCL, for a X-bar Chart to control the diameter of cylinder rails. You collected

3. (50 points) You want to define control limits, UCL and LCL, for a X-bar Chart to control the diameter of cylinder rails. You collected 30 samples from the manufacturing line. Each sample is of size 7. Assume that X???? is 3.2 inches and R?? is 8.4 inches. Find UCL and LCL for this chart:

LCL:________ UCL:________

3. (50 points) You want to define control limits, UCL and LCL,

(50 points) You want to define control limits, UCL and LCL, for a X-bar Chart to control the diameter of cylinder rails. You collected 30 samples from the manufacturing line. Each sample is of size 7. Assume that X is 3.2 inches and R is 8.4 inches. Find UCL and LCL for this chart: LCL: UCL

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