question13: TABLE 14-1
A manager of a product sales group believes the number of salesmade by an employee ( Y) depends on how many years thatemployee has been with the company ( X 1) andhow he/she scored on a business aptitude test ( X2). A random sample of 8 employees provides thefollowing:
| Employee | Y | X1 | X2 |
| 1 | 100 | 10 | 7 |
| 2 | 90 | 3 | 10 |
| 3 | 80 | 8 | 9 |
| 4 | 70 | 5 | 4 |
| 5 | 60 | 5 | 8 |
| 6 | 50 | 7 | 5 |
| 7 | 40 | 1 | 4 |
| 8 | 30 | 1 | 1 |
Referring to Table 14-1, for these data, what is the estimatedcoefficient for the variable representing scores on the aptitudetest?
question 14:
TABLE 14-1
A manager of a product sales group believes the number of salesmade by an employee ( Y) depends on how many years thatemployee has been with the company ( X 1) andhow he/she scored on a business aptitude test ( X2). A random sample of 8 employees provides thefollowing:
| Employee | Y | X1 | X2 |
| 1 | 100 | 10 | 7 |
| 2 | 90 | 3 | 10 |
| 3 | 80 | 8 | 9 |
| 4 | 70 | 5 | 4 |
| 5 | 60 | 5 | 8 |
| 6 | 50 | 7 | 5 |
| 7 | 40 | 1 | 4 |
| 8 | 30 | 1 | 1 |
Referring to Table 14-1, if an employee who had been with thecompany 5 years scored a 9 on the aptitude test, what would hisestimated expected sales be?
