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

Refer to Table S6.1 - Factors for Computing

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: Range R Mean x (mm) Day Definition (mm) 1 154.9 4.0 2 155.2 4.4 Mean Factor, Lower Range, 151.6 3 4.1 D3 157.5 5.0 A 1.880 1.023 Upper Range, D4 3.268 2.574 154.6 4.7 0 0 a) What is the value of x? 0.729 2.282 0 0.577 2.115 0 x= mm (round your response to two decimal places). 0.483 2.004 0 0.419 1.924 0.076 0.373 1.864 0.136 0.337 1.816 0.184 0.308 1.777 0.223 0.266 1.716 0.284 4 5 Sample Size, n 2 3 4 5 6 7 8 9 10 12 Print Done

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