Question: Microsoft Word - Quiz 5 A regression model with one independent variable, X1, resulted in an SSE of 50. When a second independent variable, X2,

Microsoft Word - Quiz 5

  1. A regression model with one independent variable, X1, resulted in an SSE of 50. When a second independent variable, X2, was added to the model, the SSE was reduced to 40. At a=0.05, determine if X2 contributes significantly to the model. The sample size for both models was 30.

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