Quite Frequently, Residual Plots as Well as Other Plots of the Data

question 5

Multiple Choice

Quite frequently, residual plots as well as other plots of the data will suggest some difficulties or abnormality in the data. Which of the following statements are not considered difficulties?

• A) A nonlinear probabilistic relationship between x and y is appropriate.
• B) The variance of the error term \( \varepsilon\)
• (and of Y ) is a constant \(\sigma ^ { 2 }\)
• )
• C) The error term \( \varepsilon\)
• Does not have a normal distribution.
• D) The selected model fits the data well except for very few discrepant or outlying data values, which may have greatly influenced the choice of the best-fit function.
• E) One or more relevant independent variables have been omitted from the model.

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Definitions:

Haves

A term used to describe individuals or groups that possess wealth or resources, in contrast to those who do not.

Have-nots

Individuals or groups who lack access to resources, wealth, or privileges enjoyed by others in society.

Theory

A set of statements that explains why a particular phenomenon occurs.

Developmental Tasks

Specific role expectations and responsibilities that must be fulfilled as people move through the family life cycle.