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48. FILE Robert Altoff is vice president of engineering for a manufacturer of household washing machines. As part of a new product development project, he wishes to deter- mine the optimal length of time for the washing cycle. Included in the project is a study of the relationship between the detergent used (four brands) and the length of the washing cycle (18, 20, 22, or 24 minutes). In order to run the experiment, 32 standard household laundry loads (having equal amounts of dirt and the same total weights) are randomly assigned to the 16 detergent-washing cycle combinations. The results (in pounds of dirt removed) are shown below. Cycle Time (min) Detergent Brand 18 20 22 24 0.12 0.11 0.15 0.13 0.19 0.15 0.18 0.11 0.17 B 0.14 0.18 0.20 0.10 0.16 0.14 0.15 0.17 0.18 0.19 0.16 0.16 0.18 0.19 0.17 0.14 0.21 0.09 0.13 0.12 0.13 0.15 0.17

48. FILE Robert Altoff is vice president of engineering for a manufacturer of household washing machines. As part of a new product development project, he wishes to deter- mine the optimal length of time for the washing cycle. Included in the project is a study of the relationship between the detergent used (four brands) and the length of the washing cycle (18, 20, 22, or 24 minutes). In order to run the experiment, 32 standard household laundry loads (having equal amounts of dirt and the same total weights) are randomly assigned to the 16 detergent-washing cycle combinations. The results (in pounds of dirt removed) are shown below. Cycle Time (min) Detergent Brand 18 20 22 24 0.12 0.11 0.15 0.13 0.19 0.15 0.18 0.11 0.17 B 0.14 0.18 0.20 0.10 0.16 0.14 0.15 0.17 0.18 0.19 0.16 0.16 0.18 0.19 0.17 0.14 0.21 0.09 0.13 0.12 0.13 0.15 0.17

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 25EQ
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O Statistical Techniques in Business x 9 New Tab x + A hebat.elearning.unair.ac.id/pluginfile.php/233603/mod_resource/content/1/00_ebook_Statistical%20Techniques%20in%20Business%20%20Economics_17th%20ED_Lind%2C%. ☆ ES N Statistical Techniques in Business & Economics; Seventeenth Edition 456 / 897 | 100% +| 0 0 ANALTOIDOr VANIANCE 453 a. Draw an interaction plot of men and women means by sector. b. Compute an ANOVA with statistical software and, using the .05 significance level, test the interaction effect of gender and sector on wages. c. Based on your results in part (b), conduct the appropriate tests of hypotheses for differences in factor means. d. Interpret the results in a brief report. 48. FILE Robert Altoff is vice president of engineering for a manufacturer of household washing machines. As part of a new product development project, he wishes to deter- mine the optimal length of time for the washing cycle. Included in the project is a study of the relationship between the detergent used (four brands) and the length of the washing cycle (18, 20, 22, or 24 minutes). In order to run the experiment, 32 standard household laundry loads (having equal amounts of dirt and the same total weights) are randomly assigned to the 16 detergent-washing cycle combinations. The results (in pounds of dirt removed) are shown below. 454 Cycle Time (min) Detergent Brand 18 20 22 24 A 0.13 0.12 0.19 0.15 0.11 0.11 0.17 0.18 B 0.14 0.15 0.18 0.20 0.10 0.16 0.14 0.17 0.18 0.15 0.18 0.19 0.19 0.17 0.14 0.21 D 0.09 0.12 0.16 0.15 455 0.13 0.13 0.16 0.17 a. Draw an interaction plot of the detergent means by cycle time. b. Compute the ANOVA with statistical software and, using the .05 significance level, test the interaction effect of brand and cycle time on "dirt removed." c. Based on your results in part (b), conduct the appropriate tests of hypotheses for differences in factor means. d. Interpret the results in a brief report. DATA AN ALYTICS 49. FILE The North Valley Real Estate data reports information on the homes sold last year. a. At the .02 significance level, is there a difference in the variability of the selling prices 456 17:00 P Type here to search 32°C Hujan ringan ^ a a 4) 03/10/2021 II 国
Transcribed Image Text:O Statistical Techniques in Business x 9 New Tab x + A hebat.elearning.unair.ac.id/pluginfile.php/233603/mod_resource/content/1/00_ebook_Statistical%20Techniques%20in%20Business%20%20Economics_17th%20ED_Lind%2C%. ☆ ES N Statistical Techniques in Business & Economics; Seventeenth Edition 456 / 897 | 100% +| 0 0 ANALTOIDOr VANIANCE 453 a. Draw an interaction plot of men and women means by sector. b. Compute an ANOVA with statistical software and, using the .05 significance level, test the interaction effect of gender and sector on wages. c. Based on your results in part (b), conduct the appropriate tests of hypotheses for differences in factor means. d. Interpret the results in a brief report. 48. FILE Robert Altoff is vice president of engineering for a manufacturer of household washing machines. As part of a new product development project, he wishes to deter- mine the optimal length of time for the washing cycle. Included in the project is a study of the relationship between the detergent used (four brands) and the length of the washing cycle (18, 20, 22, or 24 minutes). In order to run the experiment, 32 standard household laundry loads (having equal amounts of dirt and the same total weights) are randomly assigned to the 16 detergent-washing cycle combinations. The results (in pounds of dirt removed) are shown below. 454 Cycle Time (min) Detergent Brand 18 20 22 24 A 0.13 0.12 0.19 0.15 0.11 0.11 0.17 0.18 B 0.14 0.15 0.18 0.20 0.10 0.16 0.14 0.17 0.18 0.15 0.18 0.19 0.19 0.17 0.14 0.21 D 0.09 0.12 0.16 0.15 455 0.13 0.13 0.16 0.17 a. Draw an interaction plot of the detergent means by cycle time. b. Compute the ANOVA with statistical software and, using the .05 significance level, test the interaction effect of brand and cycle time on "dirt removed." c. Based on your results in part (b), conduct the appropriate tests of hypotheses for differences in factor means. d. Interpret the results in a brief report. DATA AN ALYTICS 49. FILE The North Valley Real Estate data reports information on the homes sold last year. a. At the .02 significance level, is there a difference in the variability of the selling prices 456 17:00 P Type here to search 32°C Hujan ringan ^ a a 4) 03/10/2021 II 国
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