# Matrix to describe the mean difference in treatment effects

For the data in the following matrix:

no treatment treatment overall m=4

male m=5 m=3

female m=9 m=13 overall m=11

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overall m=7 overall m=8

a) describe the mean difference that is the main effect for the treatment.

b) describe the mean difference that is the main effect for gender.

c) Is there an interaction between gender and treatment?

explain your answer.

https://brainmass.com/statistics/quantative-analysis-of-data/difference-treatment-effects-324699

#### Solution Preview

(a) Since the means for the two treatments (7 and 8) are different, it appears that there is main ...

#### Solution Summary

This solution helps go through a matrix to determine differences in treatment effects.

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