In multiple regression analysis involving 10 independent variables and 100 observations, the critical value tt for testing individual coefficients in the model will have: A. 10 degrees of freedom B. 89 degrees of freedom C. 100 degrees of freedom D. 9 degrees of freedom In a multiple regression analysis involving 40 observations and 5 independent variables, the total variation SST=350 and SSE=50. The multiple coefficient of determination is: A. 0.8469 B. 0.8529 C. 0.8408 D. 0.8571

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