For a Certain Data Set the Regression Equation Is Y

question 2

Multiple Choice

For a certain data set the regression equation is y = 2 + 3.5x.The correlation coefficient between y and x in this data set ___.

• A)must be 0
• B)is negative
• C)must be 1
• D)is positive
• E)must be 3

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Definitions:

Self-Serving Bias

Self-serving bias is the common human tendency to attribute positive events to one's own character but attribute negative events to external factors, thereby protecting self-esteem.

Personal Credit

The ability of an individual to borrow money or access goods or services with the understanding that payment will be made in the future.

Good Actions

Behaviors or deeds that are considered morally right, beneficial, or of positive impact to others.

Obedience

The act of following orders or directions from an authority figure, often without question.