Suppose That the Sample Regression Equation of a Model Is

question 80

Multiple Choice

Suppose that the sample regression equation of a model is .If we examine the relationship between x₁ and y for three different values of x₂,we observe that the:

• A)three equations produced differ not only in the intercept term but also the coefficient of x₁ varies.
• B)coefficient of x₂ remains unchanged.
• C)coefficient of x₁ varies.
• D)three equations produced differ only in the intercept.

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