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RightAid Inc. operates a regional chain of 120 pharmacies. Each pharmacy's floor plan includes a greeting card department which relatively isolated. Cathy Eng, Marketing Manager, feels that the level of lighting in the greeting card department may affect sales that department. She chooses three levels of lighting (soft, medium, and bright) and randomly assigns six pharmacies to each light level. Analysis of Cathy's data yielded the following ANOVA table: Source of Variation Treatment Error Total SS 13.68 O 19.45 O 3.59 3.68 O 19.43 3608.333 13591.67 17200 Using a = 0.05, the critical F value is df 2 15 17 MS 1804.167 906.1111 F

RightAid Inc. operates a regional chain of 120 pharmacies. Each pharmacy's floor plan includes a greeting card department which relatively isolated. Cathy Eng, Marketing Manager, feels that the level of lighting in the greeting card department may affect sales that department. She chooses three levels of lighting (soft, medium, and bright) and randomly assigns six pharmacies to each light level. Analysis of Cathy's data yielded the following ANOVA table: Source of Variation Treatment Error Total SS 13.68 O 19.45 O 3.59 3.68 O 19.43 3608.333 13591.67 17200 Using a = 0.05, the critical F value is df 2 15 17 MS 1804.167 906.1111 F

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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RightAid Inc. operates a regional chain of 120 pharmacies. Each pharmacy's floor plan includes a greeting card department which is relatively isolated. Cathy Eng, Marketing Manager, feels that the level of lighting in the greeting card department may affect sales in that department. She chooses three levels of lighting (soft, medium, and bright) and randomly assigns six pharmacies to each lighting level. Analysis of Cathy's data yielded the following ANOVA table: Source of Variation Treatment Error Total SS 13.68 19.45 3.59 3.68 19.43 3608.333 13591.67 17200 Using a = 0.05, the critical F value is df 2 15 17 MS 1804.167 906.1111 F
Transcribed Image Text:RightAid Inc. operates a regional chain of 120 pharmacies. Each pharmacy's floor plan includes a greeting card department which is relatively isolated. Cathy Eng, Marketing Manager, feels that the level of lighting in the greeting card department may affect sales in that department. She chooses three levels of lighting (soft, medium, and bright) and randomly assigns six pharmacies to each lighting level. Analysis of Cathy's data yielded the following ANOVA table: Source of Variation Treatment Error Total SS 13.68 19.45 3.59 3.68 19.43 3608.333 13591.67 17200 Using a = 0.05, the critical F value is df 2 15 17 MS 1804.167 906.1111 F
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