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3. Data on the amount of wear measured with two different materials A and B for shoes is shown: Shoes A A Foot B B Foot d (B-A) 1 13.2 L 14.0 R 0.8 2 8.2 L 8.8 R 0.6 3 10.9 R 11.2 L 0.3 4 14.3 L 14.2 R -0.1 5 10.7 R 11.8 L 1.1 6 6.6 L 6.4 R -0.2 7 9.5 L 9.8 R 0.3 8 10.8 L 11.3 R 0.5 9 8.8 R 9.3 L 0.5 10 13.3 L 13.6 R 0.3 Does the type of material matter for the wear on the shoes? What is the confidence limit that there is at least some difference? What is that difference? Does the choice of foot that the material was used on matter? Is this "good" data?

3. Data on the amount of wear measured with two different materials A and B for shoes is shown: Shoes A A Foot B B Foot d (B-A) 1 13.2 L 14.0 R 0.8 2 8.2 L 8.8 R 0.6 3 10.9 R 11.2 L 0.3 4 14.3 L 14.2 R -0.1 5 10.7 R 11.8 L 1.1 6 6.6 L 6.4 R -0.2 7 9.5 L 9.8 R 0.3 8 10.8 L 11.3 R 0.5 9 8.8 R 9.3 L 0.5 10 13.3 L 13.6 R 0.3 Does the type of material matter for the wear on the shoes? What is the confidence limit that there is at least some difference? What is that difference? Does the choice of foot that the material was used on matter? Is this "good" data?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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3. Data on the amount of wear measured with two different materials A and B for shoes is shown: Shoes A A Foot B B Foot d (B-A) 1 13.2 L 14.0 R 0.8 2 8.2 L 8.8 R 0.6 3 10.9 R 11.2 L 0.3 4 14.3 L 14.2 R -0.1 5 10.7 R 11.8 L 1.1 6 6.6 L 6.4 R -0.2 7 9.5 L 9.8 R 0.3 8 10.8 L 11.3 R 0.5 9 8.8 R 9.3 L 0.5 10 13.3 L 13.6 R 0.3 Does the type of material matter for the wear on the shoes? What is the confidence limit that there is at least some difference? What is that difference? Does the choice of foot that the material was used on matter? Is this "good" data?
Transcribed Image Text:3. Data on the amount of wear measured with two different materials A and B for shoes is shown: Shoes A A Foot B B Foot d (B-A) 1 13.2 L 14.0 R 0.8 2 8.2 L 8.8 R 0.6 3 10.9 R 11.2 L 0.3 4 14.3 L 14.2 R -0.1 5 10.7 R 11.8 L 1.1 6 6.6 L 6.4 R -0.2 7 9.5 L 9.8 R 0.3 8 10.8 L 11.3 R 0.5 9 8.8 R 9.3 L 0.5 10 13.3 L 13.6 R 0.3 Does the type of material matter for the wear on the shoes? What is the confidence limit that there is at least some difference? What is that difference? Does the choice of foot that the material was used on matter? Is this "good" data?
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