Researchers Study the Relationship Between X = Average Salary (In

question 41

Multiple Choice

Researchers study the relationship between x = Average salary (in thousands of dollars) and y = Percent of total income spent on recreation and culture. The x values and the corresponding standardized residuals from a simple linear regression are as follows: ​ ​ Construct a standardized residual plot. Based on this plot, does the simple linear regression model seems reasonable? ​

• A) The plot suggests that the model is appropriate.
• B) A potentially influential observation suggests that the model is not appropriate.
• C) The outliers suggest that the model is not appropriate.
• D) The curved pattern suggests that the model is not appropriate.
• E) An estimated regression line is needed to make the assumptions.

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Definitions:

Second-growth Forests

Forests which have re-grown after a significant disturbance, such as logging or a natural event, and are in a secondary stage of development.

Ecological Success

Refers to the process through which ecosystems change and develop over time following a disturbance or initial colonization, leading to a mature or climax community.

Environmental Damage

Negative impacts on the environment due to human activities or natural disasters, leading to destruction, decline, or degradation of natural habitats and resources.

Aspen Parkland

A biome characterized by a mix of aspen forests and prairie grasslands, typically found in certain regions of North America.