The Residual Plot Below Indicates That One or More of Assumptions

question 21

Multiple Choice

The residual plot below indicates that one or more of assumptions of the linear regression model may not be met. Which of the following is a reasonable conclusion based on this residual plot? ​

• A)The residual plot clearly indicates a non-linear model would be more appropriate.
• B)There is evidence that the residuals are not normally distributed.
• C)The slope of the regression line is non-zero.
• D)The correlation between x and y is non-zero.
• E)There is evidence the residuals do not have the same variance for all x values.

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Definitions:

Description of Behavior

An account or portrayal of the actions or reactions of an individual or group in response to various stimuli or situations.

Observable

Capable of being seen, noticed, or measured directly, often used in research to describe variables or phenomena.

Eye Gaze

The direction and focus of one's eyes, which can communicate attention, interest, emotion, and other psychological states.

Prediction of Behavior

The process of forecasting future actions or responses of individuals or groups based on observed or theoretical patterns.