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:

Biological Community

A group of interacting organisms of different species living in a common location and sharing resources.

Ecological Niche

The role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

Local Environment

The specific surroundings or conditions in which a person, plant, or animal lives or operates.

Restriction

The limitation or control of someone or something, or the action of such limitation.