Which of the Following Statements Are True?
A) One Way $\hat { y } _ { i }$

question 76

Multiple Choice

Which of the following statements are true?

• A) One way to study the fit of a model is to superimpose a graph of the best-fit function on the scatter plot of the data.
• B) An effective approach to assessment of model adequacy is to compute the fitted or predicted values \(\hat { y } _ { i }\)
• And the residuals \(e _ { i } = y _ { i } - { y } _ { i }\)
• , then plot various functions of these computed quantities, and examine the plots either to confirm our choice of model or for indications that the model is not appropriate.
• C) Multiple regression analysis involves building models for relating the dependent variable y to two or more independent variables.
• D) All of the above statements are true.
• E) None of the above statements are true.

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