A Regression Analysis Between Sales Y in $1000) and Advertising $\hat { Y }$

question 79

Multiple Choice

A regression analysis between sales Y in $1000) and advertising X in dollars) resulted in the following equation $\hat { Y }$ = 30,000 + 4 X
The above equation implies that an

• A) increase of $4 in advertising is associated with an increase of $4,000 in sales
• B) increase of $1 in advertising is associated with an increase of $4 in sales
• C) increase of $1 in advertising is associated with an increase of $34,000 in sales
• D) increase of $1 in advertising is associated with an increase of $4,000 in sales

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Definitions:

Psychosis

A mental health disorder characterized by a disconnection from reality, which may include delusions, hallucinations, and disordered thinking.

Affective Disorder

A category of psychiatric disorders, also known as mood disorders, that primarily affect a person's emotions and mood.

Hypomania

A less severe form of mania, marked by elevated or irritable mood but not severe enough to cause marked impairment in social or occupational functioning.

Electroconvulsive Therapy

A psychiatric treatment in which seizures are electrically induced in patients to provide relief from mental disorders.