The following ANOVA table was obtained when estimating a multiple regression model. ANOVA d f SS MS

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The following ANOVA table was obtained when estimating a multiple regression model.

ANOVA d f SS MS F Significance F Regression 2 22016.75 11008.38 0.0228 Residual 17 39286.93 2310.996 Total 19 61303.68

a. How many explanatory variables were specified in the model? How many observations were used?

b. Specify the hypotheses to determine whether the explanatory variables are jointly significant.

c. Compute the value of the test statistic.

d. At the 5% significant level, what is the conclusion to the test? Explain.
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