Consider the First-Order Model = 50 - 10x₁

question 153

Multiple Choice

Consider the first-order model = 50 - 10x₁ + 8x₂ - 2x₁x₂.A 1-unit increase in x₁,while holding x₂ constant at a value of 4,decreases the value of y,on average,by:

• A)42
• B)40
• C)18
• D)an amount that depends on the value of x₁

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