Sampling four (4) pieces of precision-cut wire every hour for the past 12hours has produced the...
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Sampling four (4) pieces of precision-cut wire every hour for the past 12hours has produced the following results: HOUR 1 2 3 4 5 6 7 8 9 10 11 12 Table 1 X 3.25 3.10 3.22 3.39 3.07 2.86 3.05 2.65 3.02 2.85 2.83 2.97 R 71 1.18 1.43 1.26 1.17 .32 53 1.13 71 1.33 1.17 40 Refer to Table 1. please answer the following question: 1. What is the value X? (1 mark) 2. What is the value of f? (1 mark) 3. What are the UCL, and LCL, using a = 3, z=1?. (2 marks) 4. Draw and plot x chart. (2 marks) 5. What are the UCL and LCL using table factor for computing control chart limit (3 Sigma)? (2 marks) 6. Draw and plot R chart. Is the process in control? Please explain. (2 marks) Sampling four (4) pieces of precision-cut wire every hour for the past 12hours has produced the following results: HOUR 1 2 3 4 5 6 7 8 9 10 11 12 Table 1 X 3.25 3.10 3.22 3.39 3.07 2.86 3.05 2.65 3.02 2.85 2.83 2.97 R 71 1.18 1.43 1.26 1.17 .32 53 1.13 71 1.33 1.17 40 Refer to Table 1. please answer the following question: 1. What is the value X? (1 mark) 2. What is the value of f? (1 mark) 3. What are the UCL, and LCL, using a = 3, z=1?. (2 marks) 4. Draw and plot x chart. (2 marks) 5. What are the UCL and LCL using table factor for computing control chart limit (3 Sigma)? (2 marks) 6. Draw and plot R chart. Is the process in control? Please explain. (2 marks)
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Answer rating: 100% (QA)
To answer the questions and create control charts lets first calculate the necessary values 1 Value ... View the full answer
Related Book For
A Survey Of Mathematics With Applications
ISBN: 9780135740460
11th Edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
Posted Date:
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