An Academic Advisor Wants to Predict the Typical Starting Salary

question 48

Multiple Choice

An academic advisor wants to predict the typical starting salary of a graduate at a top business school using the GMAT score of the school as a predictor variable. A simple linear regression of
SALARY versus GMAT was created from a set of 25 data points.
Which of the following is not an assumption required for the simple linear regression analysis to
Be valid?

• A)The errors of predicting SALARY are normally distributed.
• B)SALARY is independent of GMAT.
• C)The errors of predicting SALARY have a mean of 0.
• D)The errors of predicting SALARY have a variance that is constant for any given value of GMAT.

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Definitions:

Overcontrolled

Describing an individual who exhibits a high level of self-restraint, often at the expense of spontaneity or emotional expression.

Borderline

Often referring to borderline personality disorder, a condition characterized by difficulty in regulating emotions, resulting in unstable relationships, self-image, and behavior.

Psychopathic

Pertaining to or affected by psychopathy, a personality disorder characterized by persistent antisocial behavior, impaired empathy, and often criminal tendencies.

Undercontrolled

Describes individuals or behaviors that lack sufficient self-regulation, often leading to impulsivity and difficulties in managing emotions and actions.