Which of the Following Statements Is Not True About the Constant

question 16

Multiple Choice

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

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

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Definitions:

Social Facilitation

When the mere presence of others improves performance.

Group Polarization

The phenomenon by which a group's prevailing attitudes or beliefs become more extreme following group discussions, as members tend to support more extreme positions.

Groupthink

A psychological phenomenon that occurs within a group of people in which the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Door-In-The-Face

A persuasion technique involving making a large, unreasonable request that is likely to be refused in order to increase the likelihood of agreement to a smaller request later.