Question: Using graphs or tables, explain what is meant by no interaction in modeling response Y and explanatory X and Z when: a. All variables are

Using graphs or tables, explain what is meant by no interaction in modeling response Y and explanatory X and Z when:

a. All variables are continuous (multiple regression).

b. Y and X are continuous, Z is categorical (analysis of covariance).

c. Y is continuous, X and Z are categorical (two-way ANOVA).

d. Y is binary, X and Z are categorical (logit model).

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