Question: Refer to Table S6.1-Factors for Computing Control Chart Limits (3 sigma) for this problem. Auto pistons at Wemming Chung's plant in Shanghai are produced in

Refer to Table S6.1-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: a) What is the value of x? = X = Day 1 2345 Mean x (mm) 158.9 151.2 153.6 155.5 158.6 mm (round your response to two decimal places). Range R (mm) 4.2 4.4 4.3 4.8 4.7 A

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: a) What is the value of x ? x=mm (round your response to two decimal places)

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