Question: Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Auto pistons at Wemming Chung's plant in Shanghai are

Refer to Table 56.1 - Factors for Computing

Refer to Table 56.1 - 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) 1 2 3 4 4 5 Mean x (mm) 154.9 155.2 153.6 153.5 154.6 4.2 4.4 4.3 5.2 4.7 a) What is the value of x? - - x x x = 154.36 mm (round your response to two decimal places). Definition b) What is the value of R? Mean Factor, Lower Range, R = 4.56 mm (round your response to two decimal places). Sample Size, n A2 D3 c) What are the UCL; and LCL; using 3-sigma? 0 0 0 Upper Control Limit (UCL;-) = mm (round your response to two decimal places). 2 3 4 5 6 7 8 9 10 12 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 0 0 0 0.076 0.136 0.184 0.223 0.284 Help me solve this Video Get more help A 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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