In the First-Order Model $\hat{y}$ = 60 + 40x₁ -10x₂ + 5x₁x₂, a Unit Increase

question 88

True/False

In the first-order model $\hat{y}$ = 60 + 40x₁ -10x₂ + 5x₁x₂, a unit increase in x₁, while holding x₂ constant at 1, increases the value of $y$ on average by 45 units.

---

Definitions:

Airway

The part of the respiratory system through which air flows, starting from the nose and mouth down to the bronchi of the lungs.

Breathing

The physical process involving the inhalation and exhalation of air, essential for life.

Prophylactic

Preventing disease.

Poison

A substance that, if taken internally or applied externally, is a threat to life.