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11. An experiment is conducted to determine which shampo0: shampoo A or shampoo B works best to prevent dandruff. Sixtcen voluntecrs that are prone to dandruff labeled as F20, F22, F22, F23, F46, F48, F48, F50, M21, M23, M24, M24, M45, M47, M47, M48, where Fstands for female, M stands for male and the number is the age of the volunteer will be used in the experimcnt. It is suggested that a block design, blocking by gcnder, be used. Why is a block design preferable to a completely randomized design for this experiment? We should use a block design because it creates groups that are foughly the cquivalent at the beginning of the experiment. b. a. We should use a block design because we must keep all other variables the same except for the type of gender for the volunteers to prevent confounding. c. We should use a block design because it providces a bascline for comparing the differences in the dandruff between males and females. d We should use a block design because it accounts for the variability in dandruff due to the differences between males and females.

11. An experiment is conducted to determine which shampo0: shampoo A or shampoo B works best to prevent dandruff. Sixtcen voluntecrs that are prone to dandruff labeled as F20, F22, F22, F23, F46, F48, F48, F50, M21, M23, M24, M24, M45, M47, M47, M48, where Fstands for female, M stands for male and the number is the age of the volunteer will be used in the experimcnt. It is suggested that a block design, blocking by gcnder, be used. Why is a block design preferable to a completely randomized design for this experiment? We should use a block design because it creates groups that are foughly the cquivalent at the beginning of the experiment. b. a. We should use a block design because we must keep all other variables the same except for the type of gender for the volunteers to prevent confounding. c. We should use a block design because it providces a bascline for comparing the differences in the dandruff between males and females. d We should use a block design because it accounts for the variability in dandruff due to the differences between males and females.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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11. An experiment is conducted to determine which shampo0: shampoo A or shampoo B works best to prevent dandruff. Sixtcen voluntecrs that are prone to dandruff labelcd as F20, F22, F22, F23, F46, F48, F48, F50, M21, M23, M24, M24, M45, M47, M47, M48, where Fstands for female, M stands for male and the number is the age of the volunteer will be used in the experiment. It is suggested that a block design, blocking by gender, be used. Why is a block design preferable to a completely randomized design for this experiment? We should usc a block design because it creates groups that are foughly the cquivalent at the beginning of the experiment. We should use a block design because we must keep all other variables the same except for the type of gender for the volunteers to prevent confounding. We should use a block design because it provides a baseline for comparing the differences in the dandruff between males and females. d. a. b. с. We should use a block design because it accounts for thc variability in dandruff due to the differences between males and females.
Transcribed Image Text:11. An experiment is conducted to determine which shampo0: shampoo A or shampoo B works best to prevent dandruff. Sixtcen voluntecrs that are prone to dandruff labelcd as F20, F22, F22, F23, F46, F48, F48, F50, M21, M23, M24, M24, M45, M47, M47, M48, where Fstands for female, M stands for male and the number is the age of the volunteer will be used in the experiment. It is suggested that a block design, blocking by gender, be used. Why is a block design preferable to a completely randomized design for this experiment? We should usc a block design because it creates groups that are foughly the cquivalent at the beginning of the experiment. We should use a block design because we must keep all other variables the same except for the type of gender for the volunteers to prevent confounding. We should use a block design because it provides a baseline for comparing the differences in the dandruff between males and females. d. a. b. с. We should use a block design because it accounts for thc variability in dandruff due to the differences between males and females.
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