A Regression Analysis Between Sales (In $)And Advertising (In $)Resulted $\hat { y } = 60 + 5 x$

question 166

True/False

A regression analysis between sales (in $)and advertising (in $)resulted in the following least squares line: $\hat { y } = 60 + 5 x$ .This implies that an increase of $1 in advertising is associated with an increase of $60 in sales.

---

Definitions:

Facial Expressions

The movements of the facial muscles that convey the emotional state of an individual to observers.

Drive-Reduction

A motivational theory suggesting that the primary purpose of behavior is to reduce drives or needs, thereby returning the organism to a state of homeostasis or balance.

Biological Needs

Fundamental requirements that organisms need to maintain life, such as food, water, air, and shelter, which are essential for survival and physiological functioning.

Evolutionary Theory

A scientific explanation for the diversity of life on Earth, proposing that species change over time through processes like natural selection.