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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 salespeople (x2) for a corporation. The regression was performed on a sample of 10 observations.| Coefficient | Standard Error | |
| Intercept | 40.00 | 7.00 |
| x1 | 8.00 | 2.50 |
| x2 | 6.00 | 3.00 |
a. If the company uses $40,000 in advertisement and has 30 salespersons, what are the expected sales? Give your answer in dollars.
b. At
= 0.05, test for the significance of the coefficient of advertising.c. At
= 0.05, test for the significance of the coefficient of the number of salespeople. Answer
This answer is hidden. It contains 107 characters.
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