Forty-eight observations of a dependent variable (Y) and five independent variables resulted in an SSE of 438. When two additional independent variables were added to the model, the SSE was reduced to 375. At 95% confidence, determine whether or not the two additional independent variables contribute significantly to the model.

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The Answer of Forty-eight observations of a dependent variable (Y) and five independent variables resulted in an SSE of 438. When two additional independent variables were added to the model, the SSE was reduced to 375. At 95% confidence, determine whether or not the two additional independent variables contribute significantly to the model.

Forty-Eight Observations of a Dependent Variable (Y) and Five Independent