Question: need the upper control limit & the lower control limit for part D Auto pistons at Wemming Chung's plant in Shanghai are produced in a

need the upper control limit & the lower control limit for part D need the upper control limit & the lower control limit for part

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 eample sizes of 10 pistons produced each day, the mean and the rango of this diameler have been as follows: a) What is the value of x ? x=155.06 mm (rowd your response to tho deoinal places) b) What is the value of R? R=4.44mm (round your mesponse to two decinal places) c) What are the UCL, and LCL; using 3-sigma? Upper Control Limit (UCL;) = 157.33mm (round your response to two decinal places) Lower Control Linit (LCLj)= mm (round your response to two decimal places). d) What are the UCLR and LCLR using 3-aigma? Upper Control Lima (UCLA)= mm (round your fesponse to two docintal places)

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