Gen bus 307 - Study guides, Class notes & Summaries
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Gen Bus 307 exam 2 Questions And Answers
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Gen Bus 307 exam 2 Questions And Answers 
quadratic regression model - ANS-Yi=B0 + B1X1 + B2X1^2 
Fstat - ANS-MSR/MSE 
if greater than critical value, reject null 
MSR - ANS-SSR/d.f. 
MSE - ANS-SSE/d.f. 
Testing Quadratic Effect - ANS-Ho: B2 = 0 (no improvement) 
H1: B2 not equal to 0 (improvement) 
adjusted R^2 formula - ANS-1 - ( (1-r^2) * (n-1)/(n-k-1) ) 
square root transformation - ANS-used to overcome violations of equal variance assumption as well 
as to transform a model whose form is n...
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