For the Following Multiple Regression Model $\tilde { y } = 2 - 3 x _ { 1 } + 4 x _ { 2 } + 5 x _ { 3 }$

question 7

Multiple Choice

For the following multiple regression model: $\tilde { y } = 2 - 3 x _ { 1 } + 4 x _ { 2 } + 5 x _ { 3 }$ ,a unit increase in x₁,holding x₂ and x₃ constant,results in:

• A) a decrease of 3 units on average in the value of y.
• B) an increase of 8 units in the value of y.
• C) an increase of 3 units on average in the value of y.
• D) None of these choices.

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