Regression Models

Answer the following questions in 1 to 2 pages

  1. What benefit does a variable provide when developing and examining models?
  2. Explain the purpose of simple linear regression and scatter diagrams. Please provide a simple linear regression model and define each variable used.
  3. Describe multiple regression analysis and discuss potential uses for this model

Your paper should reflect scholarly writing and current APA standards. Please include citations to support your ideas.