Which of the Following Statements Provides the Best Guidance for Model

question 104

Multiple Choice

Which of the following statements provides the best guidance for model building?

• A)If the value of r² increases as more variables are added to the model,the variables should remain in the model,regardless of the magnitude of increase.
• B)If the value of the adjusted r² increases as more variables are added to the model,the variables should remain in the model.
• C)If the value of r² increases as more variables are added to the model,the variables should not remain in the model,regardless of the magnitude of the increase.
• D)If the value of the adjusted r² increases as more variables are added to the model,the variables should not remain in the model.
• E)None of the statements provide accurate guidance.