THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 158

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sales manager is interested in determining the relationship between the amount spent on advertising and total sales.The manager collects data for the past 24 months and runs a regression of sales on advertising expenditures.The results are presented below but,unfortunately,some values identified by asterisks are missing.
SUMMARY OUTPUT
-What are the degrees of freedom for residuals?

• A)21
• B)22
• C)23
• D)24

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Definitions:

Depression

A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.

Morbidity

A term referring to the state of being diseased or unhealthy within a population; often used to describe the prevalence of illnesses or medical conditions.

Uniform

A distinct outfit meant to be worn by members of the same organization or institution, promoting a sense of identity and unity.

Climacteric

A phase in the aging process of humans, marked by hormonal changes that occur in women (menopause) and may occur in men (andropause).