UCL = 378.47 LCL 321 53 Product filling weights are normally distributed with a mean of 350 grams and a standard deviati

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Ucl 378 47 Lcl 321 53 Product Filling Weights Are Normally Distributed With A Mean Of 350 Grams And A Standard Deviati 1 (31.96 KiB) Viewed 44 times

UCL = 378.47 LCL 321 53 Product filling weights are normally distributed with a mean of 350 grams and a standard deviation of 30 grams. (a) Develop the control limits for the x chart for a sample of size 10. (Round your answers to two decimal places.) X X Develop the control limits for the chart for a sample of size 20. (Round your answers to two decimal places.) UCL = 370.13 X LCL = 320.87 X Develop the control limits for the chart for a sample of size 30. (Round your answers to two decimal places.) UCL = 366.44 LC = 333 56 X X (b) What happens to the control limits as the sample size is increased? The sample size does not affect the control limits. The UCL comes closer to the process mean and the LCL moves farther from the process mean as the sample size is increased. The LCL comes closer to the process mean and the UCL moves farther from the process mean as the sample size is increased. Both controllimits move farther from the process mean as the sample size is increased Both control limits come closer to the process mean as the sample size is increased. X