Question: 2. Inspectors want to develop process control charts to measure the weight of crates of wood. Data (in pounds) from three samples are: Sample Crate

2. Inspectors want to develop process control charts to measure the weight of crates of wood. Data (in pounds) from three samples are: Sample Crate 1 1 2 3 20 28 28 Crate 2 40 32 28 Round all answers to three decimals Crate 3 24 30 28 (a) What is the upper control limit for the R-chart? (b) What is the lower control limit for the R-chart? (c) What is the upper control limit for the X-chart? (d) What is the lower control limit for the X-chart? (e) Is the process in control? If not, why not? Crate 4 28 22 28

2. Inspectors want to develop process control charts to measure the weight of crates of wood. Data (in pounds) from threp samnlec ara. Round all answers to three decimals (a) What is the upper control limit for the R-chart? (b) What is the lower control limit for the R-chart? (c) What is the upper control limit for the X-chart? (d) What is the lower control limit for the X-chart? (e) Is the process in control? If not, why not

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