Question: Problem 6s.7 s Question Help Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Auto pistons at Wemming

Problem 6s.7 s Question Help Refer to Table 56.1

Problem 6s.7 s Question Help Refer to Table 56.1 - 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: Day 1 2 3 4 5 Mean x (mm) 158.9 155.2 155.6 153.5 156.6 Range R (mm) 4.4 4.4 4.1 4.8 4.7 a) What is the value of ? Definition - X x= mm (round your response to two decimal places) Sample Upper Range, Lower Range, Size, n D3 2 3 4 5 Mean Factor, Az 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 6 7 8 9 10 12 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 Enter your answer in the answer box and then click Ched ? Print 7 Done parts remaining

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