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【正文】 gh R2 indicates Y and X are highly correlated Managerial Economics 413 FTest ? Used to test for significance of overall regression equation ? Compare Fstatistic to critical Fvalue from Ftable ? Two degrees of freedom, n – k amp。 do not ge ne ra l l y e qua l t he t rue v a l ue s of amp。 t ha t m i ni m i zet he s um of s qua re d re s i dua l s? ii?Y Y Y?T h e r e s i d u a l i s t h e d i ff e r e nc e b e t w e e n t hea c t u a l amp。Copyright 169。 2022 by the McGrawHill Companies, Inc. All rights reserved. McGrawHill/Irwin Managerial Economics, 9e Managerial Economics Thomas Maurice ninth edition McGrawHill/Irwin Managerial Economics, 9e Chapter 4 Basic Estimation Techniques Managerial Economics 42 Simple Linear Regression ? Simple linear regression model relates dependent variable Y to one independent (or explanatory) variable X Y a b X??? aYYYXIn tercep t p a ra m ete r ( ) gives v a l u e o f w here regress io n l in e cr o s s es a x is ( v a l ueo
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