Which of the Following Statements Is Not True About the Constant

question 22

Multiple Choice

Which of the following statements is not true about the constant standard deviation condition of the linear regression model?

• A)A residual plot can highlight the existence of a nonconstant standard deviation even when it is hard to see in the original scatterplot
• B)A constant standard deviation means that the vertical spread of the y-values about the line is the same across the entire line.
• C)A fan shape in a residual plot indicates that the constant standard deviation condition does not hold.
• D)All of the above are true about the constant standard condition.

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Definitions:

Stereotype

A widely held but fixed and oversimplified image or idea of a particular type of person or thing.

Ethnocentrism

The belief that one’s ethnic group is more normal than others; an emotional source of prejudice because of people’s gut-level feelings about how right their group is—and, in turn, how wrong they think other groups are.

Attitudes

Mental states or orientations that reflect the evaluations, feelings, and propensities toward aspects of our environment, such as people, objects, and ideas.

Institutional Prejudice

Prejudice that is caused by policies in the workplace that are not intentionally set to exclude members of specific groups or to treat them differently, but which have that effect anyway.