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Question
The following is part of the results of a regression analysis involving sales (yin millions of dollars), advertising expenditures (x1in thousands of dollars), and number of sales people (x2) for a corporation:| Source of Variation | Degrees of Freedom | Sum of Squares | Mean Square | F |
| Regression | 2 | 822.088 | ||
| Error | 7 | 736.012 |
a. At
= 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.b. Determine the multiple coefficient of determination.
c. Determine the adjusted multiple coefficient of determination.
d. What has been the sample size for this regression analysis?
Answer
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