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

question 21

Multiple Choice

For the following multiple regression model: $\hat { y } = 2 - 3 x _ { 1 } + 4 x _ { 2 } + 5 x _ { 3 }$ , 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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