A process engineer is trying to improve the life of a cutting tool. He has run...
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A process engineer is trying to improve the life of a cutting tool. He has run a 2 experiment using cutting speed (A), metal hardness (B), and cutting angle (C) as the factors. The data from sum of 3 replications are shown in the following table. Run Sum of 3 replications (1) 628 la 868 616 ab 969 921 ас 793 bc 1196 abc 848 Assume that metal hardness (B), cutting angle (C), and their interaction (BC) effects are the only significant effects. Based on the regression model of this experiment, predict the response variable when cutting speed (A) is on its high value, metal hardness (B) is on its high value and cutting angle (C) is on its low value. What is the predicted value calculated from the regression model? Select one: a. 211.33 b. 264.17 c. 396.25 d. 317.00 O O A process engineer is trying to improve the life of a cutting tool. He has run a 2 experiment using cutting speed (A), metal hardness (B), and cutting angle (C) as the factors. The data from sum of 3 replications are shown in the following table. Run Sum of 3 replications (1) 628 la 868 616 ab 969 921 ас 793 bc 1196 abc 848 Assume that metal hardness (B), cutting angle (C), and their interaction (BC) effects are the only significant effects. Based on the regression model of this experiment, predict the response variable when cutting speed (A) is on its high value, metal hardness (B) is on its high value and cutting angle (C) is on its low value. What is the predicted value calculated from the regression model? Select one: a. 211.33 b. 264.17 c. 396.25 d. 317.00 O O
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Managing Controlling and Improving Quality
ISBN: 978-0471697916
1st edition
Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund
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