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Q) Compare all models 1,2,3,4,5&6 in terms of parameter estimates,their standard

ID: 3253261 • Letter: Q

Question


Q) Compare all models 1,2,3,4,5&6 in terms of parameter estimates,their standard errors,R-square, R2-adj and significance of model parameters. Then comments on the final choice of the best model.

Model 1 Parameters: B0- 3.198 Infection B1 0.073 risk-3.198+0.07 Standard Error 326 Routing (constant) 0.194 & Culturing standard Error (slope) Ration. 0.0103 -R-square- 31.3% -R-square (adj) 30.6% SSE-138.417 Model 2 parameters B0 4.958, Infection risk B1 -0.255 4.958-0.2554 -Standard Error (constant) Region 0.318 & standard Error (slope) 0.124 -R-square- 3.7% -R-square(adj) 2.8% -SSE- 193.934

Explanation / Answer

model 6 is the best ,with highest r sqaure value which means it is able to success explain 56% of variability ,among the varibales and standard error are less compared that to of model 5 which has same r sqaure value though