What Is Not One of the Guidelines for Including/excluding Variables

question 12

Multiple Choice

What is not one of the guidelines for including/excluding variables in a regression equation?

• A) Look at the t-value and associated p-value.
• B) Check whether the t-value is less than or greater than 1.0.
• C) The variables are logically related to one another.
• D) Use economic or physical theory to make the decision.
• E) All of these choices are guidelines.