Suppose That the Sample Regression Line of a First Order $= 8 + 2 x _ { 1 } + 3 x _ { 2 }$

question 26

Multiple Choice

Suppose that the sample regression line of a first order model is $= 8 + 2 x _ { 1 } + 3 x _ { 2 }$ . If we examine the relationship between y and $x _ { 1 }$ for four different values of $x _ { 2 }$ , we observe that the:

• A) effect of x \(1\) on y remains the same no matter what the value of x \(2\) .
• B) effect of x \(1\) on y remains the same no matter what the value of x \(1\) .
• C) only difference in the four equations produced is the coefficient of x \(2\) .
• D) None of these choices are correct.

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