Question: Note: Please use the problem shown below to answer questions # 18 through #23. A company manufacturing oil seals wants to establish X bar and

Note: Please use the problem shown below to answer questions # 18 through #23. A company manufacturing oil seals wants to establish X bar and R bar control charts on the process. There are 25 observations with a sample size 5 on the internal diameter of the seal. An OSCM intem student is working on this project and she already calculated the X bar value and the sum of the R values shown below. x = 1,253.75 R = 14.08 Please help her to complete the rest of the control chart calculations: 18. What is the value of the X, A. 13.35 B. SO.15 C. 24.00 D. 45.12 E. 9.03 ? 19. What is the value of the R A. 2.15 B. 0.124 C. 14.03 D. 0.563 E. 0.639 X Bar Control Chart R Bar Control Chart UCL - P+ AR LCL - PAR UCL - DR LCL - DR Formulas: Az=0.577 D=2.114 D- 0 2 0 20. What is the UCL for the x-bar chart? A. 14.65 B. 67.12 C. 50.475 D 25.09 E. 48.34 21. What is the LCL for the x-bar chart? A. 49.82 B. 45.12 C. 55.07 D. 53.13 E. 59.12 22. What is the UCL for the R-bar chart A. 1.567 B. 2.563 C. 0.182 D. 1.245 E. 1.190 23. What is the LCL for the R-bar chart A -0.378 B0.00 C. 0.157 D. 2.157 E. 0.182 24. The control charts that we discussed during class that can be used to analyze categorical (or attributes) data are? A. P Charts and X bar Charts B. P Charts and C Charts C. P Charts only D. X Charts and R Bar charts E. X bar Charts and C bar Charts 25. According to the image presented below, we can say that this process? Landing position - Range 31277 149 A. Is out of control B. Only X bar is in control C. Is in control D. Point 20 is out of control E. None on the above

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