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 O 1.000 O 1.9911 O 0.5022 O 0.1333 O 7.5000 3608.333 13591.67 17200 Using a = 0.05, the observed 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 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 O 1.000 O 1.9911 O 0.5022 O 0.1333 O 7.5000 3608.333 13591.67 17200 Using a = 0.05, the observed F value is df 2 15 17 MS 1804.167 906.1111 F
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
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
O 1.000
SS
1.9911
O 0.5022
0.1333
O 7.5000
3608.333
13591.67
Using a = 0.05, the observed F value is
17200
df
2
15
17
MS
1804.167
906.1111
F
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