In Simple Linear Regression, the Plot of Residuals Versus Fitted

question 54

Multiple Choice

In simple linear regression, the plot of residuals versus fitted values can be used to check for:

• A) normality.
• B) independence.
• C) a constant variance independent of x.
• D) All of the above.

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Definitions:

Final Grade

The conclusive evaluation or assessment of a student's performance in a course, often reflecting their knowledge, work ethic, and achievements.

Residual

The difference between observed values and the predicted values by a model, indicating the error in the prediction.

Family Income

The combined total income earned by members of a family, contributing to the household's total earnings.

Real Estate

Property consisting of land and the buildings on it, along with its natural resources such as crops, minerals, or water.