Consider the Interaction Model $E ( y ) = 7 + 3 x _ { 1 } - 4 x _ { 2 } + 5 x _ { 1 } x _ { 2 }$

question 102

Multiple Choice

Consider the interaction model $E ( y ) = 7 + 3 x _ { 1 } - 4 x _ { 2 } + 5 x _ { 1 } x _ { 2 }$ . Find the slope of the line relating $E ( y$ and $x _ { 1 }$ when $x _ { 2 } = 2$ .

• A) 1
• B) 10
• C) 16
• D) 13

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