Grindwell, Inc., a manufacturer of abrasive tools, is concerned with the durability of its products, which depends
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Grindwell, Inc., a manufacturer of abrasive tools, is concerned with the durability of its products, which depends on the permeability of the mixtures used in production. Suspecting that the carbon content might be the source of the problem, the plant manager collected the following data.
to. Using spreadsheet software (eg, MS Excel), draw a scatterplot for these data.
b. Using spreadsheet software (eg, MS Excel) or statistical software of your choice, perform a regression analysis to assess the strength of the relationship between permeability and carbon content. What conclusions can you draw? Explain your answer.
Carbon content (%) | permeability index |
5.5 | 18 |
4 | 23 |
3.5 | 27 |
5 | 21 |
4.6 | 18 |
4.4 | 21 |
4.2 | 22 |
4.2 | 19 |
5.4 | 22 |
4.4 | 20 |
4.8 | 19 |
5.6 | 23 |
4.2 | 18 |
3.8 | 26 |
4.5 | 25 |
Related Book For
Operations management processes and supply chain
ISBN: 978-0136065760
9th edition
Authors: Lee J Krajewski, Larry P Ritzman, Manoj K Malhotra
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