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Microsoft Word - Quiz 5 We want to test whether or not the addition of 3 variables to a model will be statistically significant. You

Microsoft Word - Quiz 5

We want to test whether or not the addition of 3 variables to a model will be statistically significant. You are given the following information based on a sample of 25 observations.

Y=62.42-1.836X1+25.62X2

Microsoft Word - Quiz 5

SSE = 725 SSR = 526 The equation was also estimated including the 3 variables. The results are

Y=59.23-1.7621+25.638X2+16.237X3+15.297X4-18.723X5

Microsoft Word - Quiz 5

SSE = 520 SSR = 731

  1. State the null and alternative hypotheses.
  2. Test the null hypothesis at the 5% level of significance.

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