Question: a) Examine the Statistical Process Control outputs below. Answer the following questions. UCL (Upper control limit) CL (Center line) LCL (Lower control limit) Sample Number

a) Examine the Statistical Process Control outputs below. Answer the following questions. UCL (Upper control limit) CL (Center line) LCL (Lower control limit) Sample Number Item! Sample 1 12.2 Sample 2 11.9 Sample 3 12 Sample 4 12.5 Samples 12.2 Sample 6 12.1 Sample 7 12.3 Sample 8 12 Sample 9 12.1 Sample 10 12.6 Mean Range 12.6856 1.0193 12.36 0.67 12.0344 0 Item2 Item3 Item4 12.6 12 12.1 12.5 12.4 12.7 12.2 12.9 13.1 12.5 12.4 12.8 12.8 12.7 12 12.5 11.8 12.3 12.4 12.8 12.4 12.1 12.4 12.2 12.8 12.4 12.4 12.1 12.3 Mean 12.225 12.375 12.55 12.55 12.425 12.175 12.475 12.175 12.3 12.35 Range 0.6 0.8 1.1 0.4 0.8 0.7 0.5 0.4 0.9 0.5 11.9 D) What is the sample size? (1 mark) ii) What is the number of samples? (1 mark) iii) Draw x-bar chart dan R-chart. (4 marks) iv) Is this process in control? (2 marks) V) What steps should the quality assurance team take? (2 marks) b) A system has four components in a series. What is the reliability of the system? Component 1 2 3 4 Reliability 0.90 0.95 0.78 0.99 (2 marks) c) A system consists of four components in series. The reliability of each component is 0.96. What is the reliability of the system

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