Question: Refer to Table S61 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Auto pistons at Wemming Chung's plant in Shanghai are

Refer to Table S61 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Auto pistons at Wemming Chung's plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons produced each day, the mean and the range of this diameter have been as follows: Day Range R (mm) Mean x (mm) 154.9 153.2 151.6 153.5 1586 a) What is the value of x? x= mm (round your response to two decimal places). b) What is the value of R? R- mm (round your response to two decimal places). c) What are the UCL; and LCL; using 3-sigma? Upper Control Limit (UCL) - mm (round your response to two decimal places). Lower Control Limit (LCL;) - 1 mm (round your response to two decimal places). d) What are the UCLR and LCLR using 3-sigma? Enter your answer in each of the answer boxes Range R (mm) Day C AWN Mean x (mm) 154.9 153.2 151.6 153.5 158.6 a) What is the value of x? mm (round your response to two decimal places). b) What is the value of ? R= mm (round your response to two decimal places). c) What are the UCL; and LCL; using 3-sigma? Upper Control Limit (UCL;) - mm (round your response to two decimal places). Lower Control Limit (LCL;) = mm (round your response to two decimal places). d) What are the UCLR and LCLR using 3-sigma? Upper Control Limit (UCLR)- mm (round your response to two decimal places). Lower Control Limit (LCLR) = mm (round your response to two decimal places)

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