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

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=mm (round your response to two decimal places)
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