The following is part of the results of a regression analysis involving sales (Y in millions of

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Question:

The following is part of the results of a regression analysis involving sales (Y in millions of dollars), advertising expenditures (X1 in thousands of dollars), and number of sales people (X2) for a corporation:

Analysis Of Variance

Source of Degrees of Sum of Mean

Variation Freedom Squares Square F

Regression 2 822.088

Error 7 736.012

a. At α = 0.05 level of significance, test to determine if the model is significant. That is, determine if there exists a significant relationship between the independent variables and the dependent variable.

Calculate the value of the F test statistic (to 2 decimals)????

b. Determine the multiple coefficient of determination (to 3 decimals).??

c. Determine the adjusted multiple coefficient of determination (to 3 decimals).??

What has been the sample size for this regression analysis??

d. What has been the sample size for this regression analysis??