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:

Internal Variables

Factors within a study or experiment that can influence the outcome, often controlled or monitored by the researcher.

Safety Measures

Procedures or actions taken to reduce the risk of accidents, injuries, and other unsafe situations in a workplace or public environment.

Management Support

The assistance, guidance, and resources provided by managers to their teams, facilitating achievement of goals and improvement in performance.

Training Methods

Techniques and strategies used to facilitate the learning process and skill development, ranging from instructor-led training to online and interactive methods.