# examtop - STA 6208 – FINAL EXAM TOPICS Fall 2011 •...

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Unformatted text preview: STA 6208 – FINAL EXAM TOPICS Fall 2011 • Material from Exams 1 and 2 • Polynomial Regression, Response Surface • Models with Dummy Variables • Problem Areas in least squares: Nonnormality,Correlated Errors,Influential Points and Outliers,Collinearity,Durbin-Watson test • Regression Diagnostics: DFFITS,DFBETAS,VIF • Transformations: Intrinsically linear relationships, variance stabilizing transformations, Box-Cox transformation (Normality), Weighted least squares, Generalized least squares • Nonlinear Regression • Random Coefficient Regression Practice Problems I. A reserarcher believes that the relationship between output (Y) and labor intensity (X) is: 1 2 = ε ε β β X Y Give a transformation that linearizes this function, and give the relationship between the parameters of the original and transformed function. II. Show that the mean of the n leverage values for the obsevations is n p ' = υ III. Give } { ^ i Y s and give an intepretation of DFFITS I IV. Give } {...
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## This note was uploaded on 01/15/2012 for the course STA 6208 taught by Professor Park during the Spring '08 term at University of Florida.

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examtop - STA 6208 – FINAL EXAM TOPICS Fall 2011 •...

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