Which two means are compared to determine whether there is a main effect of treatment? Is there a treatment by gender interaction? Do the effects of treatment on the scores depend on the levels of gender( do the effects of treatment on the scores are different in males and females? If so, explain the interaction, include the corresponding means in your explanation.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 22CT
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For the data in the following matrix:

 

No Treatment

Treatment

 

                           Male    

8

3

Overall M = 5.5

Female

4

4

Overall = 4

 

Overall = 6

Overall = 3.5

 

Which two means are compared to determine whether there is a main effect of treatment?

Is there a treatment by gender interaction? Do the effects of treatment on the scores depend on the levels of gender( do the effects of treatment on the scores are different in males and females? If so, explain the interaction, include the corresponding means in your explanation. 

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