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# The article “An Investigation into the Ball Burnishing of

ISBN: 9780073401331 38

## Solution for problem 7E Chapter 9.5

Statistics for Engineers and Scientists | 4th Edition

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Problem 7E

The article “An Investigation into the Ball Burnishing of Aluminium Alloy 6061-T6"' (M. El-Axir, J Engineering Manufacture, 2007:1733-1742) presents the results of study that investigated the effects of three burnishing factors on the reduction in diameter of the workpiece (in /im). The factors are A: Burnishing speed, B: Burnishing force, and C: Burnishing feed. The results presented in the following table form a 23 factorial design (some additional results are omitted).

 A B C Reduction -1 -1 -1 570 1 -1 -1 353 -1 1 -1 778 1 1 -1 769 -1 -1 1 544 1 -1 1 319 -1 1 1 651 1 1 1 625

a. Compute estimates of the main effects and the interactions.

b. Is it possible to compute an error sum of squares? Explain.

c. Are any of the interactions among the larger effects? If so, which ones?

d. Someone claims that the additive model holds. Do the results tend to support this statement? Explain.

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Chapter 11 REPEATED MEASURES/WITHIN-SUBJECTS DESIGN ● two separate scores are obtained for each person in the sample ○ ex. group measured before therapy and after therapy ● the same group of subjects is used ● matched-subjects design = each person in one sample is matched with a person in the other sample...

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##### ISBN: 9780073401331

This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. The full step-by-step solution to problem: 7E from chapter: 9.5 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. The answer to “The article “An Investigation into the Ball Burnishing of Aluminium Alloy 6061-T6"' (M. El-Axir, J Engineering Manufacture, 2007:1733-1742) presents the results of study that investigated the effects of three burnishing factors on the reduction in diameter of the workpiece (in /im). The factors are A: Burnishing speed, B: Burnishing force, and C: Burnishing feed. The results presented in the following table form a 23 factorial design (some additional results are omitted).ABCReduction-1-1-15701-1-1353-11-177811-1769-1-115441-11319-111651111625a. Compute estimates of the main effects and the interactions.________________b. Is it possible to compute an error sum of squares? Explain.________________c. Are any of the interactions among the larger effects? If so, which ones?________________d. Someone claims that the additive model holds. Do the results tend to support this statement? Explain.” is broken down into a number of easy to follow steps, and 120 words. Since the solution to 7E from 9.5 chapter was answered, more than 234 students have viewed the full step-by-step answer. This full solution covers the following key subjects: burnishing, results, effects, factors, interactions. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331.

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