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Homeworks Answer Chapter 10 - U U D U D U D b A A A A B A A...

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Homework Answers for chapter 10 3. a. n = 20 A 2 = 0.18 = 3.10 Mean Chart: ± A 2 = 3.1 ± 0.18(0.45) D 3 = 0.41 = 0.45 = 3.1 ± .081 D 4 = 1.59 Hence, UCL is 3.181 and LCL is 3.019. All means are within these limits. Range Chart: UCL is D 4 = 1.59(0.45) = .7155 LCL is D 3 = 0.41(0.45) = .1845 In control since all points are within these limits. 13. a. A A B B A B A B B A B A A B A A A B B B A B A B A B D D D U D U D D U D U U D U U D D D

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Unformatted text preview: U U D U D U D b. A A A A B A A B B B B B A B B B A A A A B B B B B B U D U D U D D U D U D U D U D U D U D D U D U D D Solutions (continued) Summary: obs. exp. σ z Conclusion a. median 18 14 2.50 1.6 random up/down 17 17 2.07 0.0 random b. median 8 14 2.50 –2.40 nonrand om up/down 22 17 2.07 2.41 nonrandom...
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Homeworks Answer Chapter 10 - U U D U D U D b A A A A B A A...

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