Question: Models with indicator variables. Suppose that x is an indicator variable with the value 0 for GroupAand 1 for Group B. The following equations describe

Models with indicator variables. Suppose that x is an indicator variable with the value 0 for GroupAand 1 for Group B.

The following equations describe relationships between the value of μy and membership in Group A or B. For each equation, give the value of the mean response μy for Group A and for Group B.

(a) μy = 8 + 4x

(b) μy = 8 + 40x

(c) μy = 8 + 400x

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