Question: Refer to Table 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 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 a critical factor that must be controlledFrom sample sizes of 10 pistons produced each day, the mean and the range of this diameter have been as follows: Day Range R (mm) (mm) 154.9 155.2 144 24.6 3151.6 4.3 4155.5 52 154,64.7 a ) What is the value of overline

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